import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		System.out.println(" [ menu ]");
		System.out.println(" 0 : exit");
		System.out.println(" 1 : mouse click");
		System.out.println(" 2 : key down");
		System.out.println(" 3 : menu");
		
		int mode=5;
		Scanner sc = new Scanner(System.in);
		while(mode!=0) {
			System.out.print("\n> ");
			mode = sc.nextInt();
			switch(mode) {
			case 0:
				System.out.println("종료되었습니다.");
				break;
			case 1:
				System.out.println(" ...mouse click");
				break;
			case 2:
				System.out.println(" ...key down");
				break;
			case 3:
				System.out.println(" [ menu ]");
				System.out.println(" 0 : exit");
				System.out.println(" 1 : mouse click");
				System.out.println(" 2 : key down");
				System.out.println(" 3 : menu");
				break;
			}
		}
		sc.close();
	}

}