package com.codegym.task.task07.task0708;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;

/*
Longest string

*/

public class Solution {
    private static List<String> strings =  new ArrayList<String>();


    public static void main(String[] args) throws Exception {

        BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));
        for(int i=0; i<5;i++){
            strings.add(bf.readLine());

        }
        int longest = strings.get(0).length();
        ArrayList<String> longs = new ArrayList<String>();
        longs.add(strings.get(0));
        for(int i=1; i<5;i++){
            if(longest < strings.get(i).length()){
                longest = strings.get(i).length();
                longs.clear();
                longs.add(strings.get(i));
            } else if(longest == strings.get(i).length()){
                longs.add(strings.get(i));
            }

        }

        for(String ll : longs){
            System.out.println(ll);
        }


    }
}