#include <bits/stdc++.h>

#include "testlib.h"
using namespace std;

const int LIM = 1e6;
string s, t;
int n, m;

int main(int argc, char *argv[]) {
    registerValidation();

    s = inf.readWord();
    inf.readEoln();
    t = inf.readWord();
    inf.readEoln();

    inf.readEof();

    n = s.length();
    m = t.length();

    ensuref(n <= LIM && m <= LIM, "The string is too long!");
    ensuref(n >= m, "The second string shouldn't be longer than the first one!");

    return 0;
}