diff --git a/src/formatDate.js b/src/formatDate.js
index 769e2766..991536f4 100644
--- a/src/formatDate.js
+++ b/src/formatDate.js
@@ -8,7 +8,38 @@
  * @returns {string}
  */
 function formatDate(date, fromFormat, toFormat) {
-  // write code here
+  const [toParts, newSeparator] = [
+    toFormat.slice(0, -1),
+    toFormat[toFormat.length - 1],
+  ];
+  const [fromParts, separator] = [
+    fromFormat.slice(0, -1),
+    fromFormat[fromFormat.length - 1],
+  ];
+
+  const dateParts = date.split(separator);
+  const dateFrom = {};
+  const dateTo = [];
+
+  for (let i = 0; i < fromFormat.length; i++) {
+    dateFrom[fromParts[i]] = dateParts[i];
+  }
+
+  if (dateFrom.YYYY) {
+    dateFrom.YY = dateFrom.YYYY.slice(-2);
+  } else if (dateFrom.YY) {
+    if (dateFrom.YY < 30) {
+      dateFrom.YYYY = `20${dateFrom.YY}`;
+    } else {
+      dateFrom.YYYY = `19${dateFrom.YY}`;
+    }
+  }
+
+  for (let i = 0; i < toParts.length; i++) {
+    dateTo.push(dateFrom[toParts[i]]);
+  }
+
+  return dateTo.join(newSeparator);
 }
 
 module.exports = formatDate;