function calculatesExpensesForTrip(arr = []) {
    const daysOfVacantion = Number(arr.shift());
    const budget = Number(arr.shift());
    const countOfPeople = Number(arr.shift());
    const priceForFuelPerKilometer = Number(arr.shift());
    const moneyForFoodForPerson = Number(arr.shift());
    let priceForHotelForOneNight = Number(arr.shift());


    if (countOfPeople > 10) {
        priceForHotelForOneNight *= 0.75;
    }

    const foodExpenses = moneyForFoodForPerson * countOfPeople * daysOfVacantion;
    const totalPriceForHotel = priceForHotelForOneNight * countOfPeople * daysOfVacantion;
    let expenses = foodExpenses + totalPriceForHotel;
    let counter = 1;
    let enoughMoney = true;
    for (let i = 0; i < arr.length; i++) {
        let travelledDistance = Number(arr[i]);
        expenses += travelledDistance * priceForFuelPerKilometer;

        if (counter % 3 === 0 || counter % 5 === 0) {
            expenses *= 1.4;
        }

        if (counter % 7 === 0) {
            expenses -= expenses / countOfPeople;
        }
        counter++;
        if (expenses > budget) {
            enoughMoney = false;
            break;
        }
    }
    let diff = Math.abs(expenses - budget);
    if (!enoughMoney) {

        console.log(`Not enough money to continue the trip. You need ${diff.toFixed(2)}$ more.`);
    } else {

        console.log(`You have reached the destination. You have ${diff.toFixed(2)}$ budget left.`);
    }
}
calculatesExpensesForTrip([
    '10', '20500', '11',
    '1.2', '8', '13',
    '100', '150', '500',
    '400', '600', '130',
    '300', '350', '200',
    '300'
]);