diff --git a/src/main/java/org/telran/lecture_10_greedy_algo/practice/coin/NumberOfCoin.java b/src/main/java/org/telran/lecture_10_greedy_algo/practice/coin/NumberOfCoin.java
index a7f6612..ae7bc66 100644
--- a/src/main/java/org/telran/lecture_10_greedy_algo/practice/coin/NumberOfCoin.java
+++ b/src/main/java/org/telran/lecture_10_greedy_algo/practice/coin/NumberOfCoin.java
@@ -18,8 +18,23 @@ public static void main(String[] args) {
     }
 
     private static List<Integer> getChange(int sum, int[] coins) {
+        if (coins == null || coins.length == 0){
+            throw new IndexOutOfBoundsException("Invalid coins array.");
+        }
+        
         List<Integer> result = new ArrayList<>();
-        // You code here
-        return result;
+        List<Integer> coinsList = Arrays.stream(coins).boxed().sorted(Comparator.reverseOrder()).toList();
+        int sumCopy = sum;
+        for (int coin : coinsList) {
+            while (sumCopy >= coin) {
+                if (sumCopy == coin) {
+                    result.add(coin);
+                    return result;
+                }
+                sumCopy -= coin;
+                result.add(coin);
+            }
+        }
+        return new ArrayList<>();
     }
 }