function solve(journeyCost, months) {
  let saveMoneySum = 0;
  let monthCounter = 0;
  let monthSaveMoney = journeyCost * 0.25;
  let monthBonus = 0;
  let spentMoney = 0;

  for (let i = 1; i <= months; i++) {
    monthCounter++;
    if (i % 2 !== 0 && i !== 1) {
      spentMoney = saveMoneySum * 0.16;
      saveMoneySum -= spentMoney;
    }
    if (monthCounter === 4) {
      monthBonus = saveMoneySum * 0.25;
      saveMoneySum += monthBonus;
      monthCounter = 0;
    }
    saveMoneySum += monthSaveMoney;
  }
  if (saveMoneySum >= journeyCost) {
    console.log(
      `Bravo! You can go to Disneyland and you will have ${(
        saveMoneySum - journeyCost
      ).toFixed(2)}lv. for souvenirs.`
    );
  } else {
    console.log(
      `Sorry. You need ${(journeyCost - saveMoneySum).toFixed(2)}lv. more.`
    );
  }
}

solve(3265, 3);