using System;

public class Program

{

    public static void Main()

    {

    CalAvg(); ;

    }

        public static void CalAvg()

    {

        string[] studentId = { "sd1", "sd2", "sd3", "sd4", "sd5" };

        int[] marks = { 76, 83, 92, 65, 34 };

        int[] sd= new int[5];

    {

        int num1,num2,num3,num4;

     Console.WriteLine("Enter first number : ");

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

     Console.Write("Enter the Second number: ");

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

     Console.Write("Enter the third number: ");

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

     Console.Write("Enter the fourth number: ");

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

     int result = (num1 + num2 + num3 + num4) / 4;

     Console.WriteLine("The average of {0}, {1}, {2}, {3} is: {4} ",

  num1, num2, num3, num4, result);

    }

    }

}