using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Input a number");

        string j1= Console.ReadLine();

        int num1= Convert.ToInt32(j1);

            Console.WriteLine("Input a number");

        string j2= Console.ReadLine();

        int num2= Convert.ToInt32(j2);

        Console.WriteLine("Input a number");

        string j3= Console.ReadLine();

        int num3= Convert.ToInt32(j3);

        if (num1 > num2 ) {

            if (num1 > num3)

            Console.WriteLine("first number ",num1);

        }

        else if (num2 > num3) {

            Console.WriteLine("second number ",num2);

        }

        else if (num3 > num2) {

            Console.WriteLine("third number",num3);

        }

        else 

            Console.WriteLine("The greatest",num1,num2,num3);

    }

}