package com.javarush.task.task18.task1822;

/*
Поиск данных внутри файла
*/

import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;

public class Solution {
    public static void main(String[] args) throws IOException {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        FileInputStream is = new FileInputStream(reader.readLine());
        String s = "";

        while (is.available() > 0) {
            char c = (char) is.read();
            if (c != '\n') s += c;
            else {
                if (!s.startsWith((args[0]) + " ")) s = "";
                else {
                    System.out.print(s);
                    break;
                }
            }
        }
        is.close();
        if (s.startsWith((args[0]) + " ")) System.out.print(s);

    }
}