diff --git a/du4/program.c b/du4/program.c
index ef75ae8..08d7b04 100644
--- a/du4/program.c
+++ b/du4/program.c
@@ -80,6 +80,7 @@ int main() {
 	sr = a / b; 
 	//printf("%2.f", sr);
 	}
+	sr = roundf(sr * 100) / 100;
 	if(c == sr){
 	printf("OK\n");
 	}