using System;

namespace ConsoleApp1
{
    public class Program
    {
        public static void Main()
        {
            var firstNumber = int.Parse(Console.ReadLine());
            var secondNumber = int.Parse(Console.ReadLine());
            var thirdNumber = int.Parse(Console.ReadLine());

            var max = GetMax(firstNumber, secondNumber);
            max = GetMax(max, thirdNumber);
            Console.WriteLine(max);
        }

        public static int GetMax(int num1, int num2)
        {
            if (num1 >= num2)
            {
                return num1;
            }
            return num2;
        }
    }
}