function koledenMagazin(input) {
  let wantedMoney = +input.shift();
  let fantasyBooks = +input.shift();
  let horrorBooks = +input.shift();
  let romanticBooks = +input.shift();

  let fantasyBooksPrice = 14.9;
  let horrorBooksPrice = 9.8;
  let romanticBooksPrice = 4.3;

  let fantasySum = fantasyBooks * fantasyBooksPrice;
  let horrorSum = horrorBooks * horrorBooksPrice;
  let romanticSum = romanticBooks * romanticBooksPrice;

  let booksSum = fantasySum + horrorSum + romanticSum;
  let dds = booksSum * 0.2;
  let bookSumAfterDds = booksSum - dds;

  if (bookSumAfterDds > wantedMoney) {
    let difference = bookSumAfterDds - wantedMoney;
    let sellersProfit = difference * 0.1;
    console.log(
      `${(bookSumAfterDds - Math.floor(sellersProfit)).toFixed(
        2
      )} leva donated.`
    );
    console.log(`Sellers will receive ${Math.floor(sellersProfit)} leva.`);
  } else {
    let neededMoney = (wantedMoney - bookSumAfterDds).toFixed(2);
    console.log(`${neededMoney} money needed.`);
  }
}

koledenMagazin(["200", "15", "10", "5"]);