Submission

Score: 100

User: ztmy_

Problemset: บาร์โค้ด

Language: cpp

Time: 0.003 second

Submitted On: 2025-10-09 19:53:13

#include <iostream>
using namespace std;

int main(){
	string s;
	int n = 0, sum1 = 0, sum2 = 0;
	cin >> s;
	int last = s[12]-'0';
	
	for (int i = s.length()-2; i >= 0; i--){
		n = (s[i]-'0');
		if (i % 2 != 0) sum1 += n;
		else sum2 += n;
	}
	if ((((sum1*3) + sum2) + last) % 10 == 0) cout << "YES";
	else cout << "NO";
	
}