using System;

​

public class Program

{

    public static void Main()

    {

        int sum = 0, good = 0, bad = 0, satisfaction = 0, payment;

        while (satisfaction != 9)

        {

            //קליטת שביעות רצון

            while (satisfaction < 1 || satisfaction > 3 && satisfaction!=9)

            {

                Console.WriteLine("enter your satisfaction: ");

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

            }

​

            if (satisfaction != 9)

            {

                //קליטת תשלום

                Console.WriteLine("enter your payment: ");

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

                //חישוב רמות שירות

                if (satisfaction == 1)

                {

                    good++;

                    sum = sum + payment;

                }

​

                if (satisfaction == 3)

                    bad++;

                satisfaction = 0;

            }

        }

​

        //בדיקה

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

        Console.WriteLine("good: " + good + " payment: " + sum);

    }

}