#include <cstdio>
#include <iostream>
#include <string>

using namespace std;

void redirectInput(const char *in, const char *out)
{
    freopen(in, "r", stdin);
    //freopen(out, "w", stdout);
}

void solve()
{
    string a, b;
    cin >> a >> b;
    int n = a.length();
    int m = b.length();

    cout << a << endl << b << endl;
}

int main(int argc, char *argv[])
{
    if(argc != 2)
        redirectInput("strmatch.in", "strmatch.out");
    else
        redirectInput(argv[1], "strmatch.out");

    solve();

    return 0;
}