4 What is the output of the following program? 1 #include 2 3 4 5 6 7 8 9 10 11 Elvoid f(int y, int *x) { y = y +*x; *x = *x+y; Eint main (void) { int x = 2, y = 4; f (y, &x); printf("%d %d ", x, y); Figure 3