Max_Number

using System;

namespace Max_Number
{
    class Program
    {
        static void Main(string[] args)
        {
            string input = Console.ReadLine();
            int maxNum = int.MinValue;


            while (input!="Stop")
            {
                int number = int.Parse(input);

                if (number > maxNum)
                {
                    maxNum = number;

                }
                input = Console.ReadLine();

            }
            Console.WriteLine(maxNum);

        }
    }
}