diff --git a/src/main.cpp b/src/main.cpp
index c62a78a..5df901b 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,7 +1,7 @@
 #include <iostream>
-
+using namespace std;
 int main(){
   //add code here
-  
+  cout<<""this is main file";
   return 0;
 }