how to assign a value to a complex variable 1

[rock31]

As title, how to assign a complex value to a variable declared as complex, for example,

COMPLEX C

C=?

THANKS

 

[xwb]

program main
   complex c
   c = cmplx(10.0, 20.0)
   print *, 'real ', real(c), '  imaginary ', aimag(c)
   stop
end program