function trip(input) {

    let moneyToTrip = Number(input[0]);
    let months = Number(input[1]);
    let totalSum = 0;
    let savedMoneyPerMonth = moneyToTrip * 0.25;

    for (let i = 1; i <= months; i++) {

        if(i % 2 !== 0 && i !== 1) {
            let spendMoney = totalSum - (totalSum * 0.84);
            totalSum -= spendMoney;
        }
        if (i % 4 === 0) {
            let bossBonus = totalSum * 0.25;
            totalSum += bossBonus;
        }

        totalSum += savedMoneyPerMonth;
    }

    if (totalSum >= moneyToTrip) {
        let leftMoney = totalSum - moneyToTrip;
        console.log(`Bravo! You can go to Disneyland and you will have ${leftMoney.toFixed(2)}lv. for souvenirs.`);
    } else {
        let neededMoney = moneyToTrip - totalSum;
        console.log(`Sorry. You need ${neededMoney.toFixed(2)}lv. more.`);
    }
}