malko edit, ima oshte

function fishBoat(input) {

    let budjet = Number(input.shift());
    let season = input.shift();
    let countPeople = Number(input.shift());
    let rentSpring = 3000;
    let rentSummer = 4200;
    let rentWinter = 2600;

    let price = 0;

    switch (season) {
        case "Spring":

            if (countPeople <= 6) {
                price = rentSpring * 0.9;
            } else if (countPeople >= 7 && countPeople <= 11) {
                price = rentSummer * 0.85;
            } else {
                price = rentWinter * 0.75;
            }
            break;
        case "Summer":

            if (countPeople <= 6) {
                price = rentSpring * 0.9;
            } else if (countPeople >= 7 && countPeople <= 11) {
                price = rentSummer * 0.85;
            } else {
                price = rentWinter * 0.75;
            }
            break;

        case "Winter":

            if (countPeople <= 6) {
                price = rentSpring * 0.9;
            } else if (countPeople >= 7 && countPeople <= 11) {
                price = rentSummer * 0.85;
            } else {
                price = rentWinter * 0.75;
            }
            break;
    }

    if (countPeople % 2 == 0 && season !== 'Autumn') { // ako sa cheten broi i ne e esen
        price = price * 0.95; // 5% otstupka
    }

    if (budjet >= price) {
        console.log(`Yes! You have ${budjet - price} leva left.`)
    } else {
        // nqma dostatuchno pari
    }
}