function transport([arg1, arg2]) {
    km = Number(arg1);
    if (arg2 == "day") {
        dayPrice = 0.79;
        nightPrice = 0;
    } else {
        nightPrice = 0.90;
        dayPrice = 0;
    }
    priceTaxi = (0.70 + km * dayPrice + km * nightPrice);
    priceBus = 0.09 * km;
    priceTrain = 0.06 * km;
    if ((priceTaxi <= priceBus && priceTaxi <= priceTrain) || km < 20) {
        console.log(priceTaxi);
    } else if ((priceBus <= priceTaxi && priceBus <= priceTrain) || km < 100) {
        console.log(priceBus);
    } else if (priceTrain <= priceTaxi && priceTrain <= priceBus && km >= 100) {
        console.log(priceTrain);
    }
}