Submission

Score: 100

User: IKKIWPR

Problemset: บาร์โค้ด

Language: cpp

Time: 0.004 second

Submitted On: 2026-10-09 14:23:01

#include <iostream>
using namespace std;
int main(){
	string id;
	cin >> id;
	int sumeven = 0 , sumodd = 0;
	for (int i=id.length()-2 ;i>=0;i-=2){
		sumeven += id[i] - '0';
	}
	for (int i = id.length()-3;i>=0;i-=2){
		sumodd += id[i] - '0';
	}
	int sum = sumeven*3 + sumodd;
	int sumch = sum + (id[(id.length()-1)] - '0');
	if (sumch%10==0) cout << "YES";
	else cout << "NO";
}