public class Swap {
	public static void main(String [] args) {
		int x = 1, y = 2;

		System.out.print("Swap: x: " + x + " y: " + y);

		int temp = x;
		x = y;
		y = temp;

		System.out.println(" -> x: " + x + " y: " + y);
	}
}