diff --git a/cv3/program.c b/cv3/program.c
index 9b33161..d74673d 100644
--- a/cv3/program.c
+++ b/cv3/program.c
@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <assert.h>
 #include <stdlib.h>
-////@@@@
+
 #define STACK_SIZE 500
 
 struct Stack
@@ -88,5 +88,8 @@ int main()
 
     }while(1);
 
+printf("no input");
+
+
 	return 0;
 }