diff --git a/program.c b/program.c
index e35a837..6b324cb 100644
--- a/program.c
+++ b/program.c
@@ -6,10 +6,12 @@ int main()
 	int y;
   int m;
   int d;
+  int ko;
 	scanf("%d.%d.%d", &d, &m, &y);
     if(y>=0 && y<=9999)
     {
-       
+       if(ko = 0){
+       return 0;}