package com.javarush.task.task07.task0709;
/*
Выражаемся покороче
*/
import java.util.ArrayList;
import java.util.Scanner;
public class Solution {
public static void main(String[] args) throws Exception {
Scanner scanner = new Scanner(System.in);
ArrayList<String> list = new ArrayList<String>();
for (int i = 0; i < 5; i ++) {
list.add(scanner.nextLine());
}
int min = list.get(0).length();
int index = 0;
for (int i = 0; i < list.size(); i++) {
if (list.get(i).length() < min) {
min = list.get(i).length();
index = i;
}
else if (list.get(i).length() == min) {
index = i;
}
}
System.out.println(list.get(index));
}
}