using System;

public class Program

{

    static string betoch (string a , string b){

        char [] x = a.ToCharArray(); 

        char [] y = b.ToCharArray();

​

            if ( x.Length< y.Length){

                return a;

            }

        return b;

        }

    public static void Main()

    {

        string a = Console.ReadLine();

        string b = Console.ReadLine();

        Console.WriteLine(betoch(a,b));

    }

}