diff --git a/cv3/program.c b/cv3/program.c
index 2362ea4..3f668cd 100644
--- a/cv3/program.c
+++ b/cv3/program.c
@@ -30,14 +30,17 @@ int main() {
         input[strcspn(input, "\n")] = 0;  
 
         if (strlen(input) == 0) {
+            
             printf("no input\n");
             break;
         }
 
         if (is_number(input)) {
+            
             float value = atof(input);
             push_stack(&mystack, value);
         } else if (strlen(input) == 1 && strchr("+-*/", input[0])) {
+           
             if (mystack.size < 2) {
                 fprintf(stderr, "Error: Not enough values in stack.\n");
                 exit(EXIT_FAILURE);
@@ -93,8 +96,8 @@ float pop_stack(struct stack* stack) {
 }
 
 void print_stack(struct stack* stack) {
+    
     for (int i = 0; i < stack->size; i++) {
-        
         printf("%.2f ", stack->values[i]);
     }
     printf("\n");