using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Nai > chislo");

        Console.WriteLine("napishi chislo");

        int a = double.Parse(Console.ReadLine());

        int b = int.Parse(Console.ReadLine());

        int c = int.Parse(Console.ReadLine());

        Console.WriteLine("break in the code");

        //type in the word "stop"

        string stop = Console.ReadLine();

        Console.WriteLine(Math.Max(Math.Max(a, b), c));

    }

}