salesTask

using System;

public class ComputerSales
{
    public static void Main(string[] args)
    {
        Console.WriteLine("Enter the number of computer models: ");
        int numModels = int.Parse(Console.ReadLine());

        int totalSales = 0;
        int totalRatings = 0;

        for (int i = 0; i < numModels; i++)
        {
            Console.WriteLine("Enter sales and rating for model {0}: ", i + 1);
            int salesAndRating = int.Parse(Console.ReadLine());

            int sales = salesAndRating / 100; // possible sales
            int rating = salesAndRating % 10; // rating

            int calculatedSales;
            switch (rating)
            {
                case 2:
                    calculatedSales = 0;
                    break;
                case 3:
                    calculatedSales = (int)(sales * 0.5);
                    break;
                case 4:
                    calculatedSales = (int)(sales * 0.7);
                    break;
                case 5:
                    calculatedSales = (int)(sales * 0.85);
                    break;
                case 6:
                    calculatedSales = sales;
                    break;
                default:
                    calculatedSales = 0;
                    break;
            }

            totalSales += calculatedSales;
            totalRatings += rating;
        }

        double averageRating = (double)totalRatings / numModels;
        double averageSales = (double)totalSales / numModels;

        Console.WriteLine("Average rating: {0}", averageRating);
        Console.WriteLine("Average sales: {0}", averageSales);
    }
}