/****Lab 7 for 25th September 2008*******/

class UseComplex
{
	public static void main(String args[])
	{
		Complex z1 = new Complex(2,3);
                Complex z2 = new Complex(5,-7);
                Complex z3 = new Complex(-11,13);
                Complex z4 = new Complex(-17,-19);
                Complex z5 = new Complex(23.29,31.37);
                Complex z6 = new Complex(-41,-43.47);
		Complex result = new Complex();
		result = z1.multiply(z1);
		result = result.multiply(z3.add(z4));
		result = result.multiply(z5.subtract(z6));
		result = result.divide(z4);
		result = result.divide(z1.subtract(z6));
		result = result.divide(z2.add(z5));
		result.display();
	}
}