diff --git a/Programs/sum.java b/Programs/sum.java
index 210086f..bb1d18d 100644
--- a/Programs/sum.java
+++ b/Programs/sum.java
@@ -9,7 +9,7 @@ public void main()
     {
         sum(30,40);
     }
-int void sum(int s,int t)
+long void sum(long s, long n)
 {
 System.out.println(s+n);
 }
\ No newline at end of file