Submission

Score: 0

User: Visaaxolotl

Problemset: บาร์โค้ด

Language: cpp

Time: 0.002 second

Submitted On: 2026-10-08 19:52:41

#include <bits/stdc++.h>
using namespace std;
#define int long long

signed main() {
    string c; cin >> c;
    int sum =0;
    if (c.size()!=13){
        cout << "NO";
        return 0;
    }
    for (int i=c.size()-1;i>0;i--){
        if(i%2==0){
            sum+=(c[i]-'0');
        }
        else {
            sum+=(c[i]-'0')*3;
        }
    }
    if (sum%10){
        cout << "YES";
    }
    else {
        cout << "NO";
    }
}