03. Flowers

package main
import "fmt"

func main() {
    var chrysanthemums, roses, tulips int
    fmt.Scanln(&chrysanthemums)
    fmt.Scanln(&roses)
    fmt.Scanln(&tulips)

    var season, holiday string
    fmt.Scanln(&season)
    fmt.Scanln(&holiday)

    var sum = 0.0

    if (season == "Spring" || season == "Summer") {
        sum = 2.00 * float64(chrysanthemums) + 4.10 * float64(roses) + 2.50 * float64(tulips)
    } else if (season == "Autumn" || season == "Winter") {
        sum = 3.75 * float64(chrysanthemums) + 4.5 * float64(roses) + 4.15 * float64(tulips)
    }

    if (holiday == "Y") {
        sum *= 1.15
    }
    if (tulips > 7 && season == "Spring") {
        sum *= 0.95
    }
    if (roses >= 10 && season == "Winter") {
        sum *= 0.90
    }
    if (chrysanthemums + roses + tulips > 20) {
        sum *= 0.80
    }

    fmt.Printf("%.2f\n", sum + 2)
}