// inheritance of ICs

public class Memberclass4 {
    public static void main(String[] args) {
	
	new OC2().new IC().print(); // output: 2
	
    }
}

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

class OC2 extends OC { }