diff --git a/du4/program.c b/du4/program.c
index ba68395..ea54566 100644
--- a/du4/program.c
+++ b/du4/program.c
@@ -4,6 +4,7 @@ int main(){
     while(1){
         char read[1000000];
         scanf("%[^\n]", read);
+        scanf("%*c");
         float num1, num2, answer;
         char action;
         sscanf(read, "%f %c %f %*c %f", &num1, &action, &num2, &answer);