using System;

namespace itvdnCourse
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Enter number1");
            float a = float.Parse(Console.ReadLine());

            Console.WriteLine("Enter number2");
            float b = float.Parse(Console.ReadLine());

            Console.WriteLine("Enter number3");
            float c = float.Parse(Console.ReadLine());

            if (a <= b && b <= c)
            {
                Console.WriteLine(c);
            }
            else if (a <= b && b >= c)
            {
                Console.WriteLine(b);
            }
            else if (a >= b && b <= c)
            {
                Console.WriteLine(a);
            }
            else if (a >= b && b >= c )
            {
                Console.WriteLine(a);
            }
            else if (a <= b && b >= c)
            {
                Console.WriteLine(a);
            }
            else if (a >= b && b <= c)
            {
                Console.WriteLine(a);
            }
            else
            {
                Console.WriteLine();
            }
        }
    }
}