def solve a
    ret = ""
    while a > 0
        if a % 2 == 0
            ret = "R" + ret
        else
            ret = "L" + ret
        end
        a = (a - 1) / 2
    end
    return ret
end

m = gets.to_i

m.times{
    puts solve(gets.to_i)
    }