diff --git a/roman-time.js b/roman-time.js
index f66353e..2d52e68 100644
--- a/roman-time.js
+++ b/roman-time.js
@@ -1,12 +1,91 @@
 'use strict';
+var cifri = ['N', 'I', 'II', 'III', 'IV', 'V', 'VI', 'VII', 'VIII', 'IX'];
+var cifrii = ['N', 'X', 'XX', 'XXX', 'XL', 'L'];
+var hours;
+var minutes;
 
 /**
  * @param {String} time – время в формате HH:MM (например, 09:05)
  * @returns {String} – время римскими цифрами (IX:V)
  */
+function roman(time) {
+    var timeSplit = time.split(':');
+    var a = timeSplit[0].split('');
+    a[0] = parseInt(a[0], 10);
+    a[1] = parseInt(a[1], 10);
+    if (a[0] === 0 && a[1] === 0) {
+        hours = cifri[0];
+    }
+    if (a[0] === 0 && a[1] !== 0) {
+        hours = cifri[a[1]];
+    }
+    if (a[0] !== 0 && a[1] !== 0) {
+        hours = cifrii[(a[0])] + cifri[a[1]];
+    }
+    if (a[0] !== 0 && a[1] === 0) {
+        hours = cifrii[a[0]];
+    }
+
+    return hours;
+}
+function roman1(time) {
+    var timeSplit = time.split(':');
+    var b = timeSplit[1].split('');
+
+    b[0] = parseInt(b[0], 10);
+    b[1] = parseInt(b[1], 10);
+    if (b[0] === 0 && b[1] === 0) {
+        minutes = cifri[0];
+    }
+    if (b[0] === 0 && b[1] !== 0) {
+        minutes = cifri[b[1]];
+    }
+    if (b[0] !== 0 && b[1] !== 0) {
+        minutes = cifrii[(b[0])] + cifri[b[1]];
+    }
+    if (b[0] !== 0 && b[1] === 0) {
+        minutes = cifrii[b[0]];
+    }
+
+    return minutes;
+}
+function romanTime1(time) {
+    var timeSplit = time.split(':');
+    var a = timeSplit[0].split('');
+    a[0] = parseInt(a[0], 10);
+    a[1] = parseInt(a[1], 10);
+    if (isNaN(a[0]) || isNaN(a[1])) {
+        throw new TypeError();
+    }
+    if (timeSplit[0] > 23 || timeSplit[0] < 0 || isNaN(timeSplit[0])) {
+        throw new TypeError();
+    }
+
+    return (1);
+}
+function romanTime2(time) {
+    var timeSplit = time.split(':');
+    var b = timeSplit[1].split('');
+    b[0] = parseInt(b[0], 10);
+    b[1] = parseInt(b[1], 10);
+    if (isNaN(b[0]) || isNaN(b[1])) {
+        throw new TypeError();
+    }
+    if (timeSplit[0].length !== 2 || timeSplit[1].length !== 2) {
+        throw new TypeError();
+    }
+
+    return (1);
+}
 function romanTime(time) {
-    // Немного авторского кода и замечательной магии
-    return time;
+    var timeSplit = time.split(':');
+    romanTime1(time);
+    romanTime2(time);
+    if (timeSplit[1] > 59 || timeSplit[1] < 0 || isNaN(timeSplit[1])) {
+        throw new TypeError();
+    }
+
+    return (roman(time) + ':' + roman1(time));
 }
 
 module.exports = romanTime;