Mobile operator

package main

import "fmt"

func main() {
    var year, typee, net string
    fmt.Scanln(&year)
    fmt.Scanln(&typee)
    fmt.Scanln(&net)

    var months int
    fmt.Scanln(&months)

    price := 0.0

    switch typee {
    case "Small":
        if year == "one" {
            price = 9.98
        } else {
            price = 8.58
        }
    case "Middle":
        if year == "one" {
            price = 18.99
        } else {
            price = 17.09
        }
    case "Large":
        if year == "one" {
            price = 25.98
        } else {
            price = 23.59
        }
    case "ExtraLarge":
        if year == "one" {
            price = 35.99
        } else {
            price = 31.79
        }
    }

    if net == "yes" {
        if price <= 10 {
            price += 5.50
        } else if price <= 30 {
            price += 4.35
        } else {
            price += 3.85
        }
    }

    total := price * float64(months)

    if year == "two" {
        total -= 3.75 * total / 100
    }

    fmt.Printf("%.2f lv.\n", total)
}