MysteryReturn.java

public class MysteryReturn { public static void main(String[] args) {           int x = 1;           int y = 2;           int z = 3;           z = mystery(x, z, y);           System.out.println(x + " " + y + " " + z);           x = mystery(z, z, x);           System.out.println(x + " " + y + " " + z);           y = mystery(y, y, z);           System.out.println(x + " " + y + " " + z); }public static int mystery(int z, int x, int y) { z--; x = 2 * y + z; y = x - 1; System.out.println(y + " " + z); return x; } }