package com.javarush.task.task07.task0712;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Scanner;
/*
Самые-самые
*/
public class Solution {
public static void main(String[] args) throws Exception {
Scanner sc = new Scanner(System.in);
int minLength = 0;
int maxLength = 0;
ArrayList<String> list = new ArrayList<>();
for (int i = 0; i < 10; i++) {
String s = sc.nextLine();
list.add(s);
}
for (int i = 0; i < list.size(); i++) {
if (list.get(i).length() < minLength) {
minLength = list.get(i).length();
i = minLength;
}
else if (list.get(i).length() > maxLength) {
maxLength = list.get(i).length();
i = maxLength;
}
}
if (minLength < maxLength) {
System.out.println(list.get(minLength));
}
else System.out.println(list.get(maxLength));
}
}