diff --git a/du4/program.c b/du4/program.c
index 431b8ad..ea316cc 100644
--- a/du4/program.c
+++ b/du4/program.c
@@ -11,7 +11,9 @@ int main(){
         return 0;
     }
     float check = (action == '/') ? num1 / num2 : (action == '*') ? num1 * num2 : (action == '+') ? num1 + num2 : num1 - num2;
-    if(check == 0.066667) check = 0.06666;
+    check *= 100000;
+    int tmp = check;
+    check = (float) tmp / 100000;
     printf("%s\n", (check == answer) ? "OK" : "ZLE");
-
+    //printf("%f\n", check);
 }