/*
ID: philipp17
PROG: 
LANG: C++                 
*/
/* LANG can be C++11 or C++14 for those more recent releases */
#include <iostream>
#include <fstream>
#include <string>

using namespace std;

int main() {
    ofstream fout (".out");
    ifstream fin (".in");

    string a, b;
    
    fin >> a >> b;

    return 0;
}