Update 'cv3/program.c'

cv3/program.c

@@ -67,7 +67,7 @@ int operation_insert_result(struct stack_glavny* stack, char operation) {
         }
         return true;
     } else {
-        //printf("Chyba: Nedostatok operandov pre operáciu.\n");
+        printf("not enough operands\n");
         return false;
     }
 }