function exam(input) {
    let kindCruise = input[0];
    let kindKauta = input[1];
    let nights = Number(input[2]);

    if (kindCruise == `Mediterranean`) {
        if (kindKauta == `standard cabin`) {
            tax = 27.50
        } else if (kindKauta == `cabin with balcony`) {
            tax = 30.20
        } else if (kindKauta == `apartment`) {
            tax = 40.50
        }
    } if (kindCruise == `Adriatic`) {
        if (kindKauta == `standard cabin`) {
            tax = 22.99
        } else if (kindKauta == `cabin with balcony`) {
            tax = 25.00
        } else if (kindKauta == `apartment`) {
            tax = 34.99
        }
    } if (kindCruise == `Aegean`) {
        if (kindKauta == `standard cabin`) {
            tax = 23.00
        } else if (kindKauta == `cabin with balcony`) {
            tax = 26.60
        } else if (kindKauta == `apartment`) {
            tax = 39.80
        }
    }

    let allNights = tax * 4 * nights

    if (nights > 7) {
        allNights = allNights * 0.75
    }


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