using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("=====================================");

        Console.WriteLine("------Temperature Calculator---------");

        Console.WriteLine("======================================");

        int iTemp1;

        int iTemp2;

        int iTemp3;

        int iTemp4;

        Console.Write("Please enter your first Temp: ");

        iTemp1 = int.Parse(Console.ReadLine());

        Console.Write("lease enter your second Temp: ");

        iTemp2 = int.Parse(Console.ReadLine());

        Console.Write("lease enter your first Temp: ");

        iTemp3 = int.Parse(Console.ReadLine());

        Console.Write("lease enter your fourth Temp: ");

        iTemp4 = int.Parse(Console.ReadLine());

        double davg = ( iTemp1 + iTemp2 + iTemp3 + iTemp4 )/4.0;

        if (davg >= 30)

        {

            if(davg >= 35)

            {

                Console.WriteLine("=========================================================");

                Console.WriteLine("The Average is: " + davg.ToString("0.0") + " is a heat wave!");

                Console.WriteLine("=========================================================");

            }

            else

            {

                Console.WriteLine("===================================================");

                Console.WriteLine("The Average is: " + davg.ToString("0.0") + " is Hot!");

                Console.WriteLine("==================================================");

            }

        }

        else

        {

            if(davg >= 25)

            {

                Console.WriteLine("====================================================");

                Console.WriteLine("The Average is: " + davg.ToString("0.0") + "  is Mild!");

                Console.WriteLine("=====================================================");

            }

            else

            {

                Console.WriteLine("====================================================");

                Console.WriteLine("The Average is: " + davg.ToString("0.0") + " is cool!");

                Console.WriteLine("===================================================");

            }

            Console.WriteLine("Press any key to exit");

        }

    }

}