public class Traceme {

	public static void printxyz(int x, int y, int z){
		System.out.println("x=" + x
		           + ", y=" + y
		           + ", z=" + z);
	}
	
	public static void main(String[] args) {
			int x = 1; int y = 2; int z = 1;
			printxyz(x,y,z);
			x = y++ + --z - ++x; // x=0, y=3, z=0
			printxyz(x,y,z);
			while(x <= 10){
				x += 20; // 1: x=20, y=3, z=0
				printxyz(x,y,z);

				z *= 2;  // 1: x=20, y=3, z=0
				printxyz(x,y,z);

				y = y++ + ++y; // 1: x=20, y=8, z=0	
			}
			// x=20, y=8, z=0
			x = 10;
			x = x++; // x=10, y=8, z=0
			x /= 3; // x=3, y=8, z=0
			y *= 2; // x=3, y=16, z=0
			z += y *= x; // x=3, y=48, z=48
			x *= x += 3; // x=18, y=48, z=48
			y = x++ - x; // x=19, y=-1, z=48
			System.out.println("x = " + x + " y = " + y + " z = " + z);

	}

}