diff --git a/du4/program.c b/du4/program.c
index b2017f5..54aa8cb 100644
--- a/du4/program.c
+++ b/du4/program.c
@@ -3,9 +3,9 @@
 int main(){
     char read[1000000];
     scanf("%[^\n]", read);
-    int num1, num2, answer;
+    float num1, num2, answer;
     char action;
-    sscanf(read, "%d %c %d %*c %d", &num1, &action, &num2, &answer);
+    sscanf(read, "%f %c %f %*c %f", &num1, &action, &num2, &answer);
     if(action != '/' && action != '*' && action != '-' && action != '+'){
         printf("CHYBA\n");
         return -1;