using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _07.GreaterOfTwoValues
{
    class GreaterOfTwoValues
    {
        static void Main()
        {
            string type = Console.ReadLine();

            if (type == "int")
            {
                int firstInt = int.Parse(Console.ReadLine());
                int secondInt = int.Parse(Console.ReadLine());
                Console.WriteLine(PrintGreaterInteger(firstInt, secondInt));
            }
            else if (type == "char")
            {
                char firstChar = char.Parse(Console.ReadLine());
                char secondChar = char.Parse(Console.ReadLine());
                Console.WriteLine(PrintGreaterChar(firstChar, secondChar));

            }

            else
            {
                string firstString = Console.ReadLine();
                string secondString = Console.ReadLine();
                Console.WriteLine(PringGreaterString(firstString, secondString));
            }

        }

        static int PrintGreaterInteger(int firstInt, int secondInt)
        {
            if (firstInt >= secondInt)
            {
                return firstInt;
            }
            else
            {
                return secondInt;
            }
        }

        static char PrintGreaterChar(char firstChar, char secondChar)
        {
            if ((int)firstChar >= (int) secondChar)
            {
                return firstChar;
            }
            else
            {
                return secondChar;
            }
        }

        static string PringGreaterString(string firstString, string secondString)
        {
            if (firstString.Length >= secondString.Length)
            {
                return firstString;
            }
            else
            {
                return secondString;
            }
        }
    }
}