ProgBasicsJavaBook3.2SimpleConditions01TransportPrice

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int km = Integer.parseInt(scanner.nextLine());
        String dayOrnight = scanner.nextLine();

        double transportPrice = 0;

        if (km < 20) {
            if (dayOrnight.equalsIgnoreCase("day")) {
                transportPrice = 0.70 + (km * 0.79);
            } else if (dayOrnight.equalsIgnoreCase("night")) {
                transportPrice = 0.70 + (km * 0.90);
            }
        } else if (km >= 20 && km < 100) {
            transportPrice = 0.09 * km;
        } else if (km >= 100) {
            transportPrice = 0.06 * km;
        }
        System.out.println(transportPrice);

    }
}