diff --git a/atcoder/ABC/TLE/abc230_c/.idea/.gitignore b/atcoder/ABC/TLE/abc230_c/.idea/.gitignore
new file mode 100644
index 0000000..26d3352
--- /dev/null
+++ b/atcoder/ABC/TLE/abc230_c/.idea/.gitignore
@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml
diff --git a/atcoder/ABC/TLE/abc230_c/.idea/libraries/KotlinJavaRuntime.xml b/atcoder/ABC/TLE/abc230_c/.idea/libraries/KotlinJavaRuntime.xml
new file mode 100644
index 0000000..9fbfb0d
--- /dev/null
+++ b/atcoder/ABC/TLE/abc230_c/.idea/libraries/KotlinJavaRuntime.xml
@@ -0,0 +1,15 @@
+<component name="libraryTable">
+  <library name="KotlinJavaRuntime">
+    <CLASSES>
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-stdlib.jar!/" />
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-reflect.jar!/" />
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-test.jar!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-stdlib-sources.jar!/" />
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-reflect-sources.jar!/" />
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-test-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/atcoder/ABC/TLE/abc230_c/.idea/misc.xml b/atcoder/ABC/TLE/abc230_c/.idea/misc.xml
new file mode 100644
index 0000000..07115cd
--- /dev/null
+++ b/atcoder/ABC/TLE/abc230_c/.idea/misc.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="17" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/atcoder/ABC/TLE/abc230_c/.idea/modules.xml b/atcoder/ABC/TLE/abc230_c/.idea/modules.xml
new file mode 100644
index 0000000..0a86179
--- /dev/null
+++ b/atcoder/ABC/TLE/abc230_c/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/abc230_c.iml" filepath="$PROJECT_DIR$/abc230_c.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/atcoder/ABC/TLE/abc230_c/.idea/vcs.xml b/atcoder/ABC/TLE/abc230_c/.idea/vcs.xml
new file mode 100644
index 0000000..c2365ab
--- /dev/null
+++ b/atcoder/ABC/TLE/abc230_c/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/../../.." vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/atcoder/ABC/TLE/abc230_c/abc230_c.iml b/atcoder/ABC/TLE/abc230_c/abc230_c.iml
new file mode 100644
index 0000000..245d342
--- /dev/null
+++ b/atcoder/ABC/TLE/abc230_c/abc230_c.iml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" name="KotlinJavaRuntime" level="project" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/atcoder/ABC/TLE/abc230_c/out/production/abc230_c/META-INF/abc230_c.kotlin_module b/atcoder/ABC/TLE/abc230_c/out/production/abc230_c/META-INF/abc230_c.kotlin_module
new file mode 100644
index 0000000..3be8cd0
Binary files /dev/null and b/atcoder/ABC/TLE/abc230_c/out/production/abc230_c/META-INF/abc230_c.kotlin_module differ
diff --git a/atcoder/ABC/TLE/abc230_c/src/main.kt b/atcoder/ABC/TLE/abc230_c/src/main.kt
new file mode 100644
index 0000000..58cb44d
--- /dev/null
+++ b/atcoder/ABC/TLE/abc230_c/src/main.kt
@@ -0,0 +1,60 @@
+import java.io.PrintWriter
+import java.util.PriorityQueue
+import kotlin.math.max
+import kotlin.math.min
+
+fun next() = readLine()!!
+fun nextLongList() = next().split(" ").map{ it.toLong() }
+
+@JvmField val _writer = PrintWriter(System.out, false)
+fun main() { _writer.solve(); _writer.flush() }
+fun PrintWriter.solve() {
+    val (n, a, b) = nextLongList()
+
+    val (p, q, r, s) = nextLongList()
+
+    val que = PriorityQueue<Pair<Long, Long>>() {i1 : Pair<Long, Long>, i2 : Pair<Long, Long> ->
+        return@PriorityQueue if (i1.first == i2.first) {
+            (i1.second - i2.second).toInt()
+        }
+        else {
+            (i1.first - i2.first).toInt()
+        }
+    }
+
+    var fmin = max(1 - a, 1 - b)
+    var fmax = min(n - a, n - b)
+
+    val set = mutableSetOf<Pair<Long, Long>>()
+    for (k in fmin..fmax) {
+        set.add(a + k to b + k)
+    }
+
+    val smin = max(1 - a, b - n)
+    val smax = min(n - a, b - 1)
+
+    for (k in smin..smax) {
+        set.add(a + k to b - k)
+    }
+
+    for (i in set) {
+        if (i.first in p..q &&
+                i.second in r..s) {
+            que.add(i)
+        }
+    }
+
+    var tmp = que.poll()
+    for (i in p..q) {
+        for (j in r..s) {
+            if (tmp != null && i == tmp.first && j == tmp.second) {
+                print('#')
+                tmp = que.poll()
+            }
+            else {
+                print('.')
+            }
+        }
+        println()
+    }
+}
\ No newline at end of file
diff --git a/atcoder/ABC/TLE/abc230_e/.idea/.gitignore b/atcoder/ABC/TLE/abc230_e/.idea/.gitignore
new file mode 100644
index 0000000..26d3352
--- /dev/null
+++ b/atcoder/ABC/TLE/abc230_e/.idea/.gitignore
@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml
diff --git a/atcoder/ABC/TLE/abc230_e/.idea/libraries/KotlinJavaRuntime.xml b/atcoder/ABC/TLE/abc230_e/.idea/libraries/KotlinJavaRuntime.xml
new file mode 100644
index 0000000..9fbfb0d
--- /dev/null
+++ b/atcoder/ABC/TLE/abc230_e/.idea/libraries/KotlinJavaRuntime.xml
@@ -0,0 +1,15 @@
+<component name="libraryTable">
+  <library name="KotlinJavaRuntime">
+    <CLASSES>
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-stdlib.jar!/" />
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-reflect.jar!/" />
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-test.jar!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-stdlib-sources.jar!/" />
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-reflect-sources.jar!/" />
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-test-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/atcoder/ABC/TLE/abc230_e/.idea/misc.xml b/atcoder/ABC/TLE/abc230_e/.idea/misc.xml
new file mode 100644
index 0000000..07115cd
--- /dev/null
+++ b/atcoder/ABC/TLE/abc230_e/.idea/misc.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="17" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/atcoder/ABC/TLE/abc230_e/.idea/modules.xml b/atcoder/ABC/TLE/abc230_e/.idea/modules.xml
new file mode 100644
index 0000000..314ca3a
--- /dev/null
+++ b/atcoder/ABC/TLE/abc230_e/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/abc230_e.iml" filepath="$PROJECT_DIR$/abc230_e.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/atcoder/ABC/TLE/abc230_e/.idea/vcs.xml b/atcoder/ABC/TLE/abc230_e/.idea/vcs.xml
new file mode 100644
index 0000000..c2365ab
--- /dev/null
+++ b/atcoder/ABC/TLE/abc230_e/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/../../.." vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/atcoder/ABC/TLE/abc230_e/abc230_e.iml b/atcoder/ABC/TLE/abc230_e/abc230_e.iml
new file mode 100644
index 0000000..245d342
--- /dev/null
+++ b/atcoder/ABC/TLE/abc230_e/abc230_e.iml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" name="KotlinJavaRuntime" level="project" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/atcoder/ABC/TLE/abc230_e/out/production/abc230_e/META-INF/abc230_e.kotlin_module b/atcoder/ABC/TLE/abc230_e/out/production/abc230_e/META-INF/abc230_e.kotlin_module
new file mode 100644
index 0000000..3be8cd0
Binary files /dev/null and b/atcoder/ABC/TLE/abc230_e/out/production/abc230_e/META-INF/abc230_e.kotlin_module differ
diff --git a/atcoder/ABC/TLE/abc230_e/src/main.kt b/atcoder/ABC/TLE/abc230_e/src/main.kt
new file mode 100644
index 0000000..3765940
--- /dev/null
+++ b/atcoder/ABC/TLE/abc230_e/src/main.kt
@@ -0,0 +1,23 @@
+import java.io.PrintWriter
+fun next() = readLine()!!
+fun nextLong() = next().toLong()
+
+@JvmField val _writer = PrintWriter(System.out, false)
+fun main() { _writer.solve(); _writer.flush() }
+fun PrintWriter.solve() {
+    val n = nextLong()
+
+    var sum = 0L
+    for (i in 1..n) {
+        val tmp = n / i
+        if (tmp != 1L) {
+            sum += tmp
+        }
+        else {
+            sum += (n - i + 1)
+            break
+        }
+    }
+
+    println(sum)
+}
\ No newline at end of file
diff --git a/atcoder/ABC/abc230_a/.idea/.gitignore b/atcoder/ABC/abc230_a/.idea/.gitignore
new file mode 100644
index 0000000..e69de29
diff --git a/atcoder/ABC/abc230_a/.idea/libraries/KotlinJavaRuntime.xml b/atcoder/ABC/abc230_a/.idea/libraries/KotlinJavaRuntime.xml
new file mode 100644
index 0000000..9fbfb0d
--- /dev/null
+++ b/atcoder/ABC/abc230_a/.idea/libraries/KotlinJavaRuntime.xml
@@ -0,0 +1,15 @@
+<component name="libraryTable">
+  <library name="KotlinJavaRuntime">
+    <CLASSES>
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-stdlib.jar!/" />
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-reflect.jar!/" />
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-test.jar!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-stdlib-sources.jar!/" />
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-reflect-sources.jar!/" />
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-test-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/atcoder/ABC/abc230_a/.idea/misc.xml b/atcoder/ABC/abc230_a/.idea/misc.xml
new file mode 100644
index 0000000..07115cd
--- /dev/null
+++ b/atcoder/ABC/abc230_a/.idea/misc.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="17" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/atcoder/ABC/abc230_a/.idea/modules.xml b/atcoder/ABC/abc230_a/.idea/modules.xml
new file mode 100644
index 0000000..c37267d
--- /dev/null
+++ b/atcoder/ABC/abc230_a/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/abc230_a.iml" filepath="$PROJECT_DIR$/abc230_a.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/atcoder/ABC/abc230_a/.idea/vcs.xml b/atcoder/ABC/abc230_a/.idea/vcs.xml
new file mode 100644
index 0000000..c2365ab
--- /dev/null
+++ b/atcoder/ABC/abc230_a/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/../../.." vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/atcoder/ABC/abc230_a/.idea/workspace.xml b/atcoder/ABC/abc230_a/.idea/workspace.xml
new file mode 100644
index 0000000..a131e02
--- /dev/null
+++ b/atcoder/ABC/abc230_a/.idea/workspace.xml
@@ -0,0 +1,58 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ChangeListManager">
+    <list default="true" id="93a1594b-0df0-4a17-9fed-63ff9dd35957" name="Changes" comment="" />
+    <option name="SHOW_DIALOG" value="false" />
+    <option name="HIGHLIGHT_CONFLICTS" value="true" />
+    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
+    <option name="LAST_RESOLUTION" value="IGNORE" />
+  </component>
+  <component name="FileTemplateManagerImpl">
+    <option name="RECENT_TEMPLATES">
+      <list>
+        <option value="Kotlin File" />
+      </list>
+    </option>
+  </component>
+  <component name="Git.Settings">
+    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$/../../.." />
+  </component>
+  <component name="MarkdownSettingsMigration">
+    <option name="stateVersion" value="1" />
+  </component>
+  <component name="ProjectId" id="262GPWTzYMFNSIQnYqjc1qY8byf" />
+  <component name="ProjectLevelVcsManager" settingsEditedManually="true" />
+  <component name="ProjectViewState">
+    <option name="hideEmptyMiddlePackages" value="true" />
+    <option name="showLibraryContents" value="true" />
+  </component>
+  <component name="PropertiesComponent">
+    <property name="RunOnceActivity.OpenProjectViewOnStart" value="true" />
+    <property name="RunOnceActivity.ShowReadmeOnStart" value="true" />
+  </component>
+  <component name="RunManager">
+    <configuration name="MainKt" type="JetRunConfigurationType" temporary="true" nameIsGenerated="true">
+      <option name="MAIN_CLASS_NAME" value="MainKt" />
+      <module name="abc230_a" />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
+    </configuration>
+    <recent_temporary>
+      <list>
+        <item itemvalue="Kotlin.MainKt" />
+      </list>
+    </recent_temporary>
+  </component>
+  <component name="SpellCheckerSettings" RuntimeDictionaries="0" Folders="0" CustomDictionaries="0" DefaultDictionary="application-level" UseSingleDictionary="true" transferred="true" />
+  <component name="TaskManager">
+    <task active="true" id="Default" summary="Default task">
+      <changelist id="93a1594b-0df0-4a17-9fed-63ff9dd35957" name="Changes" comment="" />
+      <created>1646614246022</created>
+      <option name="number" value="Default" />
+      <option name="presentableId" value="Default" />
+      <updated>1646614246022</updated>
+    </task>
+    <servers />
+  </component>
+</project>
\ No newline at end of file
diff --git a/atcoder/ABC/abc230_a/abc230_a.iml b/atcoder/ABC/abc230_a/abc230_a.iml
new file mode 100644
index 0000000..245d342
--- /dev/null
+++ b/atcoder/ABC/abc230_a/abc230_a.iml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" name="KotlinJavaRuntime" level="project" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/atcoder/ABC/abc230_a/out/production/abc230_a/META-INF/abc230_a.kotlin_module b/atcoder/ABC/abc230_a/out/production/abc230_a/META-INF/abc230_a.kotlin_module
new file mode 100644
index 0000000..3be8cd0
Binary files /dev/null and b/atcoder/ABC/abc230_a/out/production/abc230_a/META-INF/abc230_a.kotlin_module differ
diff --git a/atcoder/ABC/abc230_a/src/main.kt b/atcoder/ABC/abc230_a/src/main.kt
new file mode 100644
index 0000000..77620df
--- /dev/null
+++ b/atcoder/ABC/abc230_a/src/main.kt
@@ -0,0 +1,11 @@
+import java.io.PrintWriter
+fun next() = readLine()!!
+fun nextInt() = next().toInt()
+
+@JvmField val _writer = PrintWriter(System.out, false)
+fun main() { _writer.solve(); _writer.flush() }
+fun PrintWriter.solve() {
+    val n = nextInt()
+
+    println(if (n >= 42) "AGC" + "%03d".format(n + 1) else "AGC" + "%03d".format(n))
+}
\ No newline at end of file
diff --git a/atcoder/ABC/abc230_b/.idea/.gitignore b/atcoder/ABC/abc230_b/.idea/.gitignore
new file mode 100644
index 0000000..26d3352
--- /dev/null
+++ b/atcoder/ABC/abc230_b/.idea/.gitignore
@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml
diff --git a/atcoder/ABC/abc230_b/.idea/libraries/KotlinJavaRuntime.xml b/atcoder/ABC/abc230_b/.idea/libraries/KotlinJavaRuntime.xml
new file mode 100644
index 0000000..9fbfb0d
--- /dev/null
+++ b/atcoder/ABC/abc230_b/.idea/libraries/KotlinJavaRuntime.xml
@@ -0,0 +1,15 @@
+<component name="libraryTable">
+  <library name="KotlinJavaRuntime">
+    <CLASSES>
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-stdlib.jar!/" />
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-reflect.jar!/" />
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-test.jar!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES>
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-stdlib-sources.jar!/" />
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-reflect-sources.jar!/" />
+      <root url="jar://$KOTLIN_BUNDLED$/lib/kotlin-test-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/atcoder/ABC/abc230_b/.idea/misc.xml b/atcoder/ABC/abc230_b/.idea/misc.xml
new file mode 100644
index 0000000..07115cd
--- /dev/null
+++ b/atcoder/ABC/abc230_b/.idea/misc.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="17" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/atcoder/ABC/abc230_b/.idea/modules.xml b/atcoder/ABC/abc230_b/.idea/modules.xml
new file mode 100644
index 0000000..9ab85f8
--- /dev/null
+++ b/atcoder/ABC/abc230_b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/abc230_b.iml" filepath="$PROJECT_DIR$/abc230_b.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/atcoder/ABC/abc230_b/.idea/vcs.xml b/atcoder/ABC/abc230_b/.idea/vcs.xml
new file mode 100644
index 0000000..c2365ab
--- /dev/null
+++ b/atcoder/ABC/abc230_b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/../../.." vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/atcoder/ABC/abc230_b/abc230_b.iml b/atcoder/ABC/abc230_b/abc230_b.iml
new file mode 100644
index 0000000..245d342
--- /dev/null
+++ b/atcoder/ABC/abc230_b/abc230_b.iml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" name="KotlinJavaRuntime" level="project" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/atcoder/ABC/abc230_b/out/production/abc230_b/META-INF/abc230_b.kotlin_module b/atcoder/ABC/abc230_b/out/production/abc230_b/META-INF/abc230_b.kotlin_module
new file mode 100644
index 0000000..3be8cd0
Binary files /dev/null and b/atcoder/ABC/abc230_b/out/production/abc230_b/META-INF/abc230_b.kotlin_module differ
diff --git a/atcoder/ABC/abc230_b/src/main.kt b/atcoder/ABC/abc230_b/src/main.kt
new file mode 100644
index 0000000..224b6d6
--- /dev/null
+++ b/atcoder/ABC/abc230_b/src/main.kt
@@ -0,0 +1,34 @@
+import java.io.PrintWriter
+fun next() = readLine()!!
+
+@JvmField val _writer = PrintWriter(System.out, false)
+fun main() { _writer.solve(); _writer.flush() }
+fun PrintWriter.solve() {
+    val s = next()
+
+    var ans = true
+    var first = true
+    var cnt = 0
+    for (i in s.indices) {
+        if (s[i] == 'x') {
+            cnt++
+
+            if (cnt > 2) {
+                ans = false
+                break
+            }
+        }
+        else {
+            if (((cnt == 0 || cnt == 1) && first) || cnt == 2) {
+                cnt = 0
+                first = false
+            }
+            else {
+                ans = false
+                break
+            }
+        }
+    }
+
+    println(if (ans) "Yes" else "No")
+}
\ No newline at end of file