function transportPrice(input) {
    let distance = Number(input[0]);
    let timeOfDay = input[1];
    let dayTaxi = distance * 0.79 + 0.70;
    let nightTaxi = distance * 0.90 + 0.70;
    let bus = distance * 0.09;
    let train = distance * 0.06;

    let cheaper = bus > train;

if (distance < 20 && timeOfDay === "day") {
    console.log(dayTaxi.toFixed(2));
} else if (distance < 20 && timeOfDay === "night") {
    console.log(nightTaxi.toFixed(2));
} else if (cheaper === true) {
    if (distance >= 100) {
        console.log(train.toFixed(2));
    } else {
        console.log(bus.toFixed(2));
    }
} else {
    console.log(bus.toFixed(2));
}
}