private void userInput() {
Scanner inputReader = new Scanner(System.in);
String input = inputReader.next().toLowerCase();
if (input.equals("s")) {
step(Config.SIMULATION_STEP_HOUR);
} else if (input.equals("f")) {
tamagotchi.feed(10);
} else if (input.equals("b")) {
tamagotchi.putToBed();
} else if (input.equals("x")) {
shutDown();
} else {
System.out.println("Invalid input");
}
}
