using System;


namespace ConsoleApp5
{
    class Program
    {
        static void Main(string[] args)
        {
            string input = Console.ReadLine();
            if(input == "string")
            {
                string firstString = Console.ReadLine();
                string secondString = Console.ReadLine();
                string outputString = GetMax(firstString, secondString);
                Console.WriteLine(outputString);
            }
            else if (input == "int")
            {
                int firstNumber = int.Parse(Console.ReadLine());
                int secondNumber = int.Parse(Console.ReadLine());
                int outputInt = GetMax(firstNumber, secondNumber);
                Console.WriteLine(outputInt);
            }
            else
            {
                char firstChar = char.Parse(Console.ReadLine());
                char secondChar = char.Parse(Console.ReadLine());
                char outputChar = GetMax(firstChar, secondChar);
                Console.WriteLine(outputChar);
            }

        }
         public static string GetMax(string a,string b)
        {
           if(a.CompareTo(b) < 0)
            {
                return b;
            }
            else
            {
                return a;
            }

        }
        public static int GetMax(int a,int b)
        {
            int output = Math.Max(a, b);
            return output;
        }
        public static char GetMax(char a,char b)
        {
            int output = Math.Max((int)a, b);
            return (char)output;


        }
    }
}