02. Christmas Market

import math;

moneyToSave = float(input())
numOfFantasyBooks = int(input())
numOfHorrorBooks = int(input())
numOfRomanceBooks = int(input())


income = numOfFantasyBooks * 14.90 + numOfHorrorBooks * 9.80 + numOfRomanceBooks * 4.30;
income -= income * 0.20;
moneyForSellers = 0;

if (income >= moneyToSave):
    moneyForSellers = math.floor((income - moneyToSave)*0.1);
    income -= moneyForSellers;
    print(f"{income:.2f} leva donated.");
    print(f"Sellers will receive {moneyForSellers} leva.");
else:
    diff = moneyToSave - income;
    print(f"{diff:.2f} money needed.");