function excursion(input) {

    let countSea = Number(input[0]);
    let countMountain = Number(input[1]);

    let index = 2
    let command = input[index];

    let priceSea = 0;
    let priceMountain = 0;
    let profitSea = 0;
    let profitMountain = 0;

    let sea = countSea;
    let mountain = countMountain;

    let isValidSea = false;
    let isValidMountain = false;


    while (command !== 'Stop') {

        let packet = command;
        //При избор на пакет, който вече не е наличен (броят му е равен на 0), не трябва да се добавя към общата цена.

        if (packet === 'sea') {
            if (sea === 0) {
                console.log(`no more sea`);
                break;
            }
            priceSea = 680;
            profitSea += priceSea;
            sea--;

        }

       else if (packet === 'mountain') {
            if (mountain === 0) {
                console.log(`no more mountain`);
                break;
            }
            priceMountain = 499;
            profitMountain += priceMountain;
            mountain--;
        }
        //   if (isValidSea === true && isValidMountain === true) {
        //   console.log(`Good job! Everything is sold.`);
        // }

        console.log(`Profit: ${(profitSea + profitMountain)} leva.`);
        index++;
        command = input[index];



    }

    let totalProfit = profitSea + profitMountain;
    // console.log(`Profit: ${totalProfit} leva.`);

}

excursion(["2",
    "2",
    "sea",
    "mountain",
    "sea",
    "sea",
    "mountain",
    "Stop"])