Submission

Score: 0

User: MrPian

Problemset: นักบินอวกาศ

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-11 09:32:00

#include<iostream>
#include<string>
using namespace std;
int sum=0;
void multiplyatbs(string diddy){
    int dig;
    for(int i=0;diddy[i]!='\0';i++){
        if(i%2!=0){
            dig = diddy[i] - '0';
            dig = dig *2;
            if(dig>=10){
                dig = dig%10;
                sum = sum+1;
            }
        }
        sum = sum + dig;
    }
}

int main(){
    string diddy;
    cin >> diddy;
    int lastdigit = diddy[15]-'0';
    diddy[15] = '\0';
    multiplyatbs(diddy);
    // cout << sum;
    sum = 10-(sum%10);
    cout << (sum==lastdigit ? "yes" : "no");
return 0;
}