#include <bits/stdc++.h>
using namespace std;
 
int main() {
int N;
    cin >> N;
    
    if(N%2==1){
        cout << (N/2 + 1);
    }else{
        cout << N/2;
    }

    cout << "こんにちは"<< endl << "AtCoder" << endl;
    return ;
}