下面程序结果为：(     )

class Foo {
    public static void main(String[] args) {
        int x = 0;
        int y = 4;
        for (int z = 0; z < 3; z++, x++) {
            if (x > 1 & ++y < 10)
                y++;
        }
        System.out.println(y);
    }
}