mid exam Spring Vacation Trip 01

function solve(input) {
    input = input.map(Number);
    let days = input.shift();
    let budget = input.shift();
    let peopleCount = input.shift();
    let fuelPerKm = input.shift();
    let foodPerPerson = input.shift();
    let roomPerPerson = input.shift();
    let traveledDistance = input;

    let totalFood = foodPerPerson * days * peopleCount;
    let roomTotal = roomPerPerson * days * peopleCount;
    if (peopleCount > 10) {
        roomTotal -= roomTotal * 0.25;
    }
    let expenses = totalFood + roomTotal;

    for (let day = 1; day <= days; day++) {
        if (expenses > budget) {
            break;
        }
        let distance = traveledDistance.shift();
        expenses += distance * fuelPerKm;

        if (day % 3 === 0 || day % 5 === 0) {
            expenses *= 1.4;
        }
        if (day % 7 === 0) {
            expenses -= expenses / peopleCount;
        }
    }
    let money = budget - expenses;
    money < 0
        ? console.log(`Not enough money to continue the trip. You need ${Math.abs(money).toFixed(2)}$ more.`)
        : console.log(`You have reached the destination. You have ${money.toFixed(2)}$ budget left.`)
}