Just add the imaginary parts to the imaginary parts and the real parts to the real parts. Remember, if a part is not specified, that part is zero. That is to say 5i is the same as 0 + 5i and 8 is the same as 8 + 0i.
Then use the pattern
John
Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it