public class Memberclass1 {
    public static void main(String[] args) {

	// one way:
	OC a = new OC();
	OC.IC b = a.new IC();
	b.print();

	// another way:
	new OC().new IC().print();

    }
}

class OC {

    private int x = 1;

    public class IC {
	private int y = 2;
	public void print() {System.out.println(x+y);}
    }
    
}