using System;
using System.Reflection.Metadata.Ecma335;

namespace Greater_of_Two_Values2
{
    internal class Program
    {
        static void Main(string[] args)
        {


            string value1 = Console.ReadLine();
            string value2 = Console.ReadLine();
            string value3 = Console.ReadLine();
            GetMax(value1, value2, value3);
        }
        static void GetMax(string value1, char value2, char value3)
        {
            if (value1 == "char")
            {
                if (Convert.ToChar(value2) > Convert.ToChar(value3))
                {
                    Console.WriteLine(value2);
                }
                else
                {
                    Console.WriteLine(value3);
                }
            }
        }
        static void GetMax(string value1, int value2, int value3)
        {
            if (value1 == "int")
            {
                if (Convert.ToInt16(value2) > Convert.ToInt16(value3))
                {
                    Console.WriteLine(value2);
                }
                else
                {
                    Console.WriteLine(value3);
                }
            }
        }
        static void GetMax(string value1, string value2, string value3)
        {
            if (value1 == "string")
            {
                if (value2 == value3)
                {
                    Console.WriteLine(value2);
                }
                else
                {
                    Console.WriteLine(value3);
                }
            }
        }
    }
}