package com.javarush.task.task07.task0708;

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

/*
Самая длинная строка
*/

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

    public static void main(String[] args) throws Exception {
        //this.strings = strings;//напишите тут ваш код
        List<String> strings = new ArrayList<String>();
         BufferedReader reader = new BufferedReader( new InputStreamReader (System.in));
    for (int i=0; i<5; i++) {String s = reader.readLine(); strings.add(s);}
    int largestString = strings.get(0).length();
    for(int i = 0; i < strings.size(); i++) {
    if(strings.get(i).length() > largestString) {
        largestString = strings.get(i).length(); }}
        for(int i = 0; i < 5; i++) { if (largestString ==  strings.get(i).length()) System.out.println(strings.get(i));}
       //while(arlist.get(i).length()=largestString) {System.out.println(arlist.get(i));}
    }
}