public static void main(String [] args) {
			int x = 3;
			while (x > 0) {
				if (x > 2) {
					System.out.print("a");
					}
				x = x - 1;
				System.out.print("-");
				if (x == 2) {
					System.out.print("b c");
					}
				if (x == 1) {
					System.out.print("d");
					x = x - 1;
					}

			}
			
		}