diff --git a/du3/program.c b/du3/program.c
index 34ca9e2..26f30db 100644
--- a/du3/program.c
+++ b/du3/program.c
@@ -27,7 +27,7 @@ void push_stack(struct stack *s, float value) {
 
 float pop_stack(struct stack *s) {
    if (s->size <= 0) {
-      printf("not enough operands\n");
+      printf("no input\n");
       exit(0);
    }
    s->size--;
@@ -45,7 +45,7 @@ int main() {
           strcmp(input, "*") == 0 || strcmp(input, "/") == 0) {
 
          if (s.size < 2) {
-            printf("no input\n");
+            printf("not enough operands\n");
             exit(0);
          }