Submission

Score: 100

User: kate

Problemset: บาร์โค้ด

Language: cpp

Time: 0.004 second

Submitted On: 2026-09-03 19:43:49

#include <iostream>
using namespace std;

int main() 
{
    string code;
    cin >> code;
    int sum = 0;
    
    for (int i = 0; i < 12; i++) {
        int digit = code[i] - '0';
        if ((12 - i) % 2 == 1){
            sum += digit * 3;
        }
        else {
            sum += digit;   
        }
    }
    sum +=code[12] - '0';
    
    if (sum % 10 == 0){
        cout<< "YES";
    }
    else{
        cout<< "NO";
    }
    
    return 0;
}