#include <bits/stdc++.h>
using namespace std;
unsigned long long n;
bool close(unsigned long long x){
    
}
int main(){
    freopen("payment.in","r",stdin);
    freopen("payment.out","w",stdout);
    ios::sync_with_stdio(0);
    cin.tie(nullptr);
    cout.tie(nullptr);
    cin>>n;
    close(n);
    return 0;
}