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

namespace CathcTheThief
{
    class Program
    {
        static void Main(string[] args)
        {
            var str = Console.ReadLine();
            byte count = byte.Parse(Console.ReadLine());
            long max = 0;
            switch (str)
            {
                case "sbyte":
                    max = sbyte.MaxValue;
                    break;
                case "int":
                    max = int.MaxValue;
                    break;
                case "long":
                    max = long.MaxValue;
                    break;
            }
            long idThief = long.MinValue;
            for (int i = 0; i < count; i++)
            {
                long idCurrent = long.Parse(Console.ReadLine());
                if (idCurrent > idThief && idCurrent <= max)
                {
                    idThief = idCurrent;
                }
            }
            Console.WriteLine(idThief);
        }
    }
}