Cat Diet

#include <iostream>
#include <string>

using namespace std;

int main() {
    double fats, proteins, carbohydrates, calories, water;
    cin >> fats >> proteins >> carbohydrates >> calories >> water;

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

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

    return 0;
}