Pool Day

package main

import (
  "fmt"
  "math"
)

func main() {
    var people int
    fmt.Scanln(&people)

    var entrancePrice, deskChairPrice, umbrellaPrice float64
    fmt.Scanln(&entrancePrice)
    fmt.Scanln(&deskChairPrice)
    fmt.Scanln(&umbrellaPrice)

    total := entrancePrice * float64(people) + deskChairPrice * math.Ceil(0.75 * float64(people)) + umbrellaPrice * math.Ceil(float64(people) / 2)

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