class Base {

public int foo(int x) {

return x + 1;

}

}

class Super0 extends Base {

public int foo(int y) {

int retval = super.foo(y);

return retval + 1;

}

public static void main(String[] args) {

Super0 x = new Super0();

System.out.println(x.foo(3));

}

}