Computer Firm

package main

import "fmt"

func main() {
    var modelCount, model, rating, sales int
    fmt.Scanln(&modelCount)

    var totalSales, totalRating float64

    for i := 0; i < modelCount; i++ {
        fmt.Scanln(&model)
        rating = model % 10
        sales = model / 10
        totalRating += float64(rating)

        switch rating {
            case 2:
                totalSales += float64(sales) * 0
            case 3:
                totalSales += float64(sales) * 0.5
            case 4:
                totalSales += float64(sales) * 0.7
            case 5:
                totalSales += float64(sales) * 0.85
            default:
                totalSales += float64(sales)
        }
    }

    fmt.Printf("%.2f\n%.2f\n", totalSales, totalRating / float64(modelCount))
}