#!/usr/bin/env ruby

STDIN.set_encoding 'utf-8'
STDOUT.set_encoding 'utf-8'

def shape s
  res  = []
  in_t = false
  s.split.each { |i|
    if i.match /\A\[X,\d\]\z/
      if in_t
        in_t = false
      end
      res << "NT"
      next
    else
      res << "T" if not in_t
      in_t = true
    end
  }
  return res
end

while line = STDIN.gets
  line.strip!
  parts = line.split ' ||| '
  f_shape = shape(parts[1])
  e_shape = shape(parts[2])
  next if f_shape[0]=='NT'||f_shape[-1]=='NT'||e_shape[0]=='NT'||e_shape[-1]=='NT'
  puts line
end