using System;

public class Program

{

    public static void Main()

    {

        int mean = 0;

        int median = 0;

        int mode = 0;

        int range = 0;

        int num1 = 0;

        int num2 = 0;

        int num3 = 0;

        int num4 = 0;

        Console.WriteLine("Enter your list of numbers one at a time seperated by enter");

        num1 = Convert.ToInt32(Console.ReadLine());

        num2 = Convert.ToInt32(Console.ReadLine());

        num3 = Convert.ToInt32(Console.ReadLine());

        num4 = Convert.ToInt32(Console.ReadLine());

        mean = (num1+num2+num3+num4)/4;

        median = (num2+num3)/2;

        if (num1 == num2)

             if (num1 == num3 || num1 == num4)

        {

             {

        mode = num1;

        Console.WriteLine(mode);         

        }

        }

        if (num2 == num3)

             if (num3 == num4 || num1 == num2)

        {

             {

        mode = num2;

        Console.WriteLine(mode);         

        }

        }

        if (num3 == num4)

             if (num3 == num1 || num3 == num2)

        {

             {

        mode = num3;

        Console.WriteLine(mode);         

        }

        }

        if (num4 == num1)

             if (num4 == num2 || num4 == num3)

        {

             {

        mode = num4;

        Console.WriteLine(mode);         

        }

        }

        else

        {

            Console.WriteLine("There is no mode");

        }

        Console.WriteLine(mean);

        Console.WriteLine(median);

    }

}