Problem Definition

Given two complex numbers, you have to print the result of their addition, subtraction, multiplication, and modulus operation on the first complex number.

Note:Modulus of a complex number is the square root of the sum of squares of real and imaginary parts.

Input

2 1

5 6

Output

7.00 + 7.00j

-3.00-5.00j

4.00+17.00j

2.24+0.00j