From b30be927ba80e3a75943ddd81e3db5866bc33324 Mon Sep 17 00:00:00 2001
From: Arti Zirk <arti.zirk@gmail.com>
Date: Mon, 29 Aug 2016 11:16:29 +0300
Subject: [PATCH] Seems to work

---
 src/Balls.java | 33 +++++++++++++++++++++++++--------
 1 file changed, 25 insertions(+), 8 deletions(-)

diff --git a/src/Balls.java b/src/Balls.java
index 992e94b..ec445bd 100644
--- a/src/Balls.java
+++ b/src/Balls.java
@@ -1,14 +1,31 @@
 
 public class Balls {
 
-   enum Color {green, red};
+    enum Color {green, red};
+
+    public static void main (String[] param) {
+        // for debugging
+    }
    
-   public static void main (String[] param) {
-      // for debugging
-   }
-   
-   public static void reorder (Color[] balls) {
-      // TODO!!! Your program here
-   }
+    public static void reorder (Color[] balls) {
+        int redBallCount = 0;
+
+        for (int i = 0; i < balls.length; i++) {
+            if (balls[i] == Color.red) {
+                redBallCount++;
+            }
+        }
+
+
+        if (redBallCount == balls.length) {
+            return;
+        }
+        for (int i = 0; i < redBallCount; i++) {
+            balls[i] = Color.red;
+        }
+        for (int i = redBallCount; i < balls.length; i++) {
+            balls[i] = Color.green;
+        }
+    }
 }