using System;

namespace _06_thiefOnTheRun
{
    class Program
    {
        static void Main(string[] args)
        {
            string thiefId = Console.ReadLine();
            int length = int.Parse(Console.ReadLine());
            long min = 0;
            long max = 0;
            if (thiefId == "sbyte")
            {
                min = sbyte.MinValue;
                max = sbyte.MaxValue;
            }
            else if (thiefId == "int")
            {
                min = int.MinValue;
                max = int.MaxValue;
            }
            else if (thiefId == "long")
            {
                min = long.MinValue;
                max = long.MaxValue;
            }
            long highestNum = long.MinValue;

            for (int i = 1; i <= length; i++)
            {
                long idInput = long.Parse(Console.ReadLine());
                if (idInput >= min && idInput <= max && idInput > highestNum)
                {
                    highestNum = idInput;
                }
            }
            Console.WriteLine(highestNum);
        }
    }
}