class SuperX
{    public int fn1 (int c)
     {  System.out.println("fn1" + c);
        return(1);
     }
}

class SubY extends SuperX
{   public int fn1(long i)
    {  super.fn1((int)i+2);
       return(1);
    }
}

class SubZ extends SubY
{   public void fn3(int i)
    {   fn1(i);
    }
}

     
/* Compiler error display:

   Ambibuity.java:17:
     Reference to fn1 is ambiguous.
     It is defined in int fn1(long) and int fn1(int).
*/