// Your code goes below this line.
        Scanner myScanner = new Scanner(System.in);

        int aantalLucifers = 21;
        int hoeveelMoetWeg;
        while (aantalLucifers != 1) {

            //PLAYER ONE
            if (aantalLucifers == 1){
                System.out.println("Player one has won!");
            } else {
                System.out.print("Player one, select a number of matches: ");
                hoeveelMoetWeg = myScanner.nextInt();
                if (hoeveelMoetWeg >= 1 && hoeveelMoetWeg <= 3) {
                    aantalLucifers -= hoeveelMoetWeg;
                    System.out.println("There are " + aantalLucifers + " matches left.");
                } else {
                    System.out.println("Please enter a number between 1 and 3.");
                    System.out.print("Player one, select a number of matches: ");
                    hoeveelMoetWeg = myScanner.nextInt();
                    aantalLucifers -= hoeveelMoetWeg;
                    System.out.println("There are " + aantalLucifers + " matches left.");
                }
            }
            //PLAYER TWO
            if (aantalLucifers == 1) {
                System.out.println("Player two has won!");
            } else {
                System.out.print("Player two, select a number of matches: ");
                hoeveelMoetWeg = myScanner.nextInt();
                if (hoeveelMoetWeg >= 1 && hoeveelMoetWeg <= 3) {
                    aantalLucifers -= hoeveelMoetWeg;
                    System.out.println("There are " + aantalLucifers + " matches left.");
                } else {
                    System.out.println("Please enter a number between 1 and 3.");
                    System.out.print("Player two, select a number of matches: ");
                    hoeveelMoetWeg = myScanner.nextInt();
                    aantalLucifers -= hoeveelMoetWeg;
                    System.out.println("There are " + aantalLucifers + " matches left.");
                }
            }
        }