Submission

Score: 0

User: NoSmurf

Problemset: ตรวจบัตรเครดิต

Language: cpp

Time: 0.002 second

Submitted On: 2026-09-30 20:05:45

#include <bits/stdc++.h>

using namespace std;



int main(){

    vector<int>ja;

    int a,b,c,d,e,k,sum=0,def=0;

    string f;



    cin>>f;
    for(int i=f.size()-1;i>=0;i--){
        ja.push_back(f[i]-'0');
    }
    k=ja[15];

    ja.pop_back();

    for(int i=2;i<=16;i=i+2){
        ja[i]=(ja[i])*2;
    }

    for(int i=0;i<16;i=i+1){
        sum=sum+ja[i];
    }

    def=(10-(sum%10))%10;

    if(def==k)
        cout<<"no";
    else
        cout<<"yes";

}