class N
    {
        public int K;
        private int L;
    }    
    class M extends N
    {
        void display() 
        {
            super.K = super.L + 2;
            System.out.println(super.K + " " + super.L);
        }
    }    
    public class inheritance_Example 
   {
        public static void main(String args[])
        {
            M object = new M();
            object.K=1;
            object.L=2;   
            object.display();     
        }
   }