From e82f7976f101c8e4e2ee91e209a0166dfa74927f Mon Sep 17 00:00:00 2001
From: UltraDesu <ultradesu@hexor.ru>
Date: Sat, 17 Apr 2021 15:50:32 +0300
Subject: [PATCH] Add java comment.

---
 Sum.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Sum.java b/Sum.java
index 3c4b1bc..dee8cdd 100644
--- a/Sum.java
+++ b/Sum.java
@@ -1,3 +1,6 @@
+// Build with: 
+// javac -d . Sum.java && java -cp . Sum
+
 public class Sum {
   public static void main(String[] args) {
     long start = System.currentTimeMillis();