lines = STDIN.readlines.map {|x| x.chomp.to_i}
m = lines.shift
ruijou = [2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096]

m.times do |x|

    no = lines[x] + 1
    route = []
    ruijou.reverse_each do |r|

        if no < r
            next
        end

        if (no - r) % 2 == 0
            route.unshift "L"
        else
            route.unshift "R"
        end

        no /= 2

    end

    puts route.join
end