diff --git a/du1/program.c b/du1/program.c
index ad6297c..b9e27e0 100644
--- a/du1/program.c
+++ b/du1/program.c
@@ -8,14 +8,14 @@ while((r = getchar()) !=EOF && r){
 	}
 
 	if(r >= 'a' && r <= 'z'){
-	r = 'a' + 'A';
+	r = r + 32;
 	}
 	else if(r >= 'A' && r <= 'Z'){
-		r = 'A' + 'Z';
+		r = r - 32;
 	}
-putchar(r);
+
 }
-printf("\nPočet riadkov: %d\n");
+printf("\nPočet riadkov: %d\n, counter");
 return 0;
 }