diff --git a/src/arrayMethodSort.js b/src/arrayMethodSort.js
index 32363d0d..bdcbff61 100644
--- a/src/arrayMethodSort.js
+++ b/src/arrayMethodSort.js
@@ -4,9 +4,40 @@
  * Implement method Sort
  */
 function applyCustomSort() {
-  [].__proto__.sort2 = function(compareFunction) {
-    // write code here
+  function compareAsString(a, b) {
+    const aStr = String(a);
+    const bStr = String(b);
+
+    if (aStr > bStr) {
+      return 1;
+    }
+
+    if (aStr < bStr) {
+      return -1;
+    }
+
+    return 0;
+  }
+
+  [].__proto__.sort2 = function (compareFunction = compareAsString) {
+    let count;
+
+    do {
+      count = 0;
+
+      for (let i = 0; i < this.length - 1; i++) {
+        const a = this[i];
+        const b = this[i + 1];
+
+        if (compareFunction(a, b) > 0) {
+          count++;
+          this[i] = b;
+          this[i + 1] = a;
+        }
+      }
+    } while (count > 0);
+
+    return this;
   };
 }
-
 module.exports = applyCustomSort;