a=gets.chomp.to_i
b=[]
a.times do |i|
  b[i] = gets.chomp!
end
b.each do |c|
  s = ""
  c = c.to_i
  while (c >= 1)
    if(c%2==1)
      c /= 2
      s+='L'
    elsif(c%2==0)
      c /= 2
      c -= 1
      s+='R'
    end
  end
  puts s.reverse
  puts ("\n")
end