Cat Diet

package main

import "fmt"

func main() {
    var fats, proteins, carbohydrates, calories, water float64
    fmt.Scanln(&fats)
    fmt.Scanln(&proteins)
    fmt.Scanln(&carbohydrates)
    fmt.Scanln(&calories)
    fmt.Scanln(&water)

    caloriesPerGram := (100 - water) * (calories / (calories * fats / 9 + calories * proteins / 4 + calories * carbohydrates / 4))

    fmt.Printf("%.4f\n", caloriesPerGram)
}