program main
  implicit none
  integer i,a
  character(10) s 
  read(*, *) a
  read(*, *) s
  !read(*, *) (L(i), i = 1,N)
  if (a < 3200) then
    write(*, *) 'red'
  else
    write(*, *) trim(s)
  end if
end program main
