diff --git a/lcm_of_2numbers.c b/lcm_of_2numbers.c
index 2293483..e214b25 100644
--- a/lcm_of_2numbers.c
+++ b/lcm_of_2numbers.c
@@ -45,6 +45,7 @@ max=i;
 h=max;
 return h;
 }
+printf("please write in short.");
 }