Cat Diet

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        double fats = Double.parseDouble(scanner.nextLine()),
                proteins = Double.parseDouble(scanner.nextLine()),
                carbohydrates = Double.parseDouble(scanner.nextLine()),
                calories = Double.parseDouble(scanner.nextLine()),
                water = Double.parseDouble(scanner.nextLine());

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

        System.out.printf("%.4f\n", caloriesPerGram);
    }
}