What is the output of this program and why?

public class prob5_ public static void main(String[] args) { int a,b,c,d; a = 5; b = 4; C = 2; d = func (a,b,c); System.out.println(a + " " + b + " " a = func(b,c,d); System.out.println(b +""+ C + "" + C + " gives an answer of " + d); + d + " gives an answer of " + a); 1 public static int func(int x, int y, int z) { int W; W = x + y; if (y