using System;


namespace MaxMethod
{
    class MaxMethod
    {
        static void Main()
        {
            int numberOne = int.Parse(Console.ReadLine());
            int numberTwo = int.Parse(Console.ReadLine());
            int numberThree = int.Parse(Console.ReadLine());
            int greaterNumber =GetMax(numberOne, numberTwo);
            int max =GetMaxFromSecond(numberThree, greaterNumber);
            Console.WriteLine(max);

        }

        private static int GetMaxFromSecond(int numberThree, int numberGetMax)
        {
            if (numberThree > numberGetMax)
            {
                return numberThree;
            }
            else
                return numberGetMax;
        }

        static int GetMax(int a, int b)
        {
            if (a > b)
            {
                return a;
            }
            else
                return b;

        }
    }
}