function solve(input) {

    let cruise = input.shift();
    let cabin = input.shift();
    let nights = Number(input.shift());

    let price = 0;


    if (cruise == "Mediterranean") {
        if (cabin == "standard cabin") {
            price = (nights * 27.50)*4;
        } else if (cabin == "cabin with balcony") {
            price = (nights * 30.20)*4;
        } else {
            price = (nights * 40.50)*4;
        }
        if (nights >= 7) {
         price -= price * 0.25;

            }

    }
    if (cruise == "Adriatic") {
        if (cabin == "standard cabin") {
            price = (nights * 22.99)*4;
        } else if (cabin == "cabin with balcony") {
            price = (nights * 25.00)*4;
        } else if (cabin == "apartment") {
            price = (nights * 34.99)*4;
        }
        if (nights >= 7) {
            price -= price * 0.25;

            }
    }
    if (cruise == "Aegean") {
        if (cabin == "standard cabin") {
            price = (nights * 23.00)*4;
        } else if (cabin == "cabin with balcony") {
            price = (nights * 26.60)*4;
        } else if (cabin == "apartment") {
            price = (nights * 39.80)*4;
        }
        if (nights >= 7) {
            price -= price * 0.25;

            }
    }

    console.log(`Annie's holiday in the ${cruise} sea costs ${price.toFixed(2)} lv.`)

}