//A Java Program For Multiplication of two complex numbers
class Complex
{
   double real;
   double imag;
  
   Complex()
   {
       real = 4.0;
       imag = 5.0;
   }
   Complex(double r, double i)
   {
       real = r;
       imag = i;
   }
   void show()
   {
       System.out.println("Complex Number is ("+real+" + i "+imag+")");
   }
  
   Complex multiply(Complex x, Complex y)
   {
       Complex Mul = new Complex();
       Mul.real = x.real*y.real - x.imag*y.imag;
       Mul.imag = x.real*y.imag + x.imag*y.real;
       return Mul;
   }
}
class Operation
{
  public static void main(String args[])
  {
      Complex a = new Complex();
      Complex b = new Complex(7.0,8.2);
      Complex c = new Complex();
      a.show();
      b.show();
      c = c.multiply(a,b);
      c.show();
  }
}