diff --git a/cv2/program.c b/cv2/program.c
index d5c2554..201c3e5 100644
--- a/cv2/program.c
+++ b/cv2/program.c
@@ -23,19 +23,34 @@ int main() {
         if (strlen(dish) == 0) {
             break;
         }
-        strcpy(dish_name[count], dish);
 
-        if (fgets(price, MAX_LENGTH, stdin) == NULL) {
+        if (fgets(price, MAX_LENGTH, stdin) == NULL || strlen(price) == 0) {
             break;
         }
         price[strcspn(price, "\n")] = 0;
 
-        if (strlen(price) == 0) {
-            break;
+        char *endptr;
+        double current_price = strtod(price, &endptr);
+        if (*endptr != '\0' || strlen(price) == 0) {
+            continue;
         }
 
-        dish_price[count] = atof(price);
-        count++;
+        int found = 0;
+        for (int i = 0; i < count; i++) {
+            if (strcmp(dish_name[i], dish) == 0) {
+                found = 1;
+                if (current_price < dish_price[i]) {
+                    dish_price[i] = current_price;
+                }
+                break;
+            }
+        }
+
+        if (!found) {
+            strcpy(dish_name[count], dish);
+            dish_price[count] = current_price;
+            count++;
+        }
     }
 
     for (int i = 0; i < count - 1; i++) {