package com.forezp.util;

import java.util.Scanner;


/**
 * 判断输入的5个字符串的最大长度，并输出
 * 
 * 
 * @author Administrator
 *
 */
public class StringDemo{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        String[] str =new String[5];
        for(int x = 0; x<str.length;x++){
            str[x] = sc.nextLine();
        }
         String s = str[0];
        for(int x = 1;x<str.length;x++){
        if(str[x].length()>s.length()){
            String temp = str[x];
                str[x] =s;
                s = temp; 
            }
                    }
        System.out.println(s);
    }
}