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 = ( 27.50);
        } else if (cabin == "cabin with balcony") {
            price = ( 30.20);
        } else {
            price = ( 40.50);
        }


    }
    if (cruise == "Adriatic") {
        if (cabin == "standard cabin") {
            price = ( 22.99);
        } else if (cabin == "cabin with balcony") {
            price = ( 25.00);
        } else if (cabin == "apartment") {
            price = (34.99);
        }

    }
    if (cruise == "Aegean") {
        if (cabin == "standard cabin") {
            price = ( 23.00);
        } else if (cabin == "cabin with balcony") {
            price = ( 26.60);
        } else if (cabin == "apartment") {
            price = ( 39.80);
        }

    }
   let sum = price * nights * 4;

        if (nights > 7) {
            sum *= 0.75;
        }

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

}