using System;

​

public class Program

{

    public static void Main()

    {

        int count = 0, sum = 0, bagrot = -1, magen = 0, difference, bigestdifference = 0;

        while (magen <= 100)

        {

            //קליטת מגן

            Console.WriteLine("enter your magen grade: ");

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

            if(magen!=101)

            {

            //קליטת בגרות

            while (bagrot < 0 || bagrot > 100)

            {

                Console.WriteLine("enter your bagrot grade: ");

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

            }

​

            //הפרש

            if (magen > bagrot)

                difference = magen - bagrot;

            else

                difference = bagrot - magen;

            //חישוב סכום

            sum = sum + difference;

            //חישוב הפרש גדול

            if (bigestdifference < difference)

                bigestdifference = difference;

            //הגדלת המונה

            count++;

            //איפוס בגרות

            bagrot = -1;

            //בדיקה

            Console.WriteLine("difference: " + difference);

            Console.WriteLine("bigestdifference: " + bigestdifference);

            Console.WriteLine("averge: " + sum / count);

            }

        }

    }

}