Basketball Equipment

#include <iostream>

using namespace std;

int main() {
    int fee;
    cin >> fee;

    double shues = fee * 0.6;
    double dresses = shues * 0.8;
    double balls = dresses / 4;
    double accessories = balls / 5;

    printf("%.2f\n", fee + shues + dresses + balls + accessories);

    return 0;
}