diff --git a/src/scripts/main.js b/src/scripts/main.js
index c6e3f8784..b5cc5a478 100644
--- a/src/scripts/main.js
+++ b/src/scripts/main.js
@@ -1,3 +1,28 @@
 'use strict';
 
-// write your code here
+const populationElements = document.querySelectorAll('.population');
+
+let total = 0;
+
+populationElements.forEach(function (element) {
+  const text = element.textContent;
+
+  // видаляємо ВСЕ крім цифр
+  const cleanText = text.replace(/[^\d]/g, '');
+
+  const number = Number(cleanText);
+
+  if (!isNaN(number)) {
+    total += number;
+  }
+});
+
+const average = populationElements.length
+  ? total / populationElements.length
+  : 0;
+
+const formattedTotal = total.toLocaleString();
+const formattedAverage = Math.round(average).toLocaleString();
+
+document.querySelector('.total-population').textContent = formattedTotal;
+document.querySelector('.average-population').textContent = formattedAverage;