class Add {
  int a;
  int b;

  Add(int x, int y) // parametrized constructor 
  {
    a = x;
    b = y;
  }
  void sum(Add A1) // object  'A1' passed as parameter in function 'sum'
  {
    int sum1 = A1.a + A1.b;
    System.out.println("Sum of a and b :" + sum1);
  }
}

public class Main {
  public static void main(String arg[]) {
    Add A = new Add(5, 8);
    /* Calls  the parametrized constructor 
    with set of parameters*/
    A.sum(A);
  }
}