diff --git a/du1/program.c b/du1/program.c
index bc3f656..3935066 100644
--- a/du1/program.c
+++ b/du1/program.c
@@ -7,9 +7,11 @@ int main (){
 		c = getchar();
 		if (c >= 'a' && c <= 'z'){
 			putchar (c - 'a' + 'A');
+			printf ("\n");
 		}
 		else if ( c >= 'A' && c <= 'Z'){
 			putchar (c + 'a' - 'A');
+			printf ("\n");
 		}
 	counter++;
 	}