What is the output of the following? int x = 4; switch (x) { case 1: x++; case 2: X = X * 2; break; case 4: x = x + 1; case 5: x += X-- % 3; case 6: X -= 2; break; case 3: X *= 2; case 7: case 8 : X -= x % 5; X -- break; case 10: X -= X % 3; case 9.: X = X / 2; cout