using System;
using System.Collections.Generic;
using System.Linq;

class Program {
    static string ReadLine() { return Console.ReadLine(); }
    static int ReadInt() { return int.Parse(ReadLine()); }
    static int[] ReadInts() { return ReadLine().Split().Select(int.Parse).ToArray(); }
    static string[] ReadStrings() { return ReadLine().Split(); }
    static void Display<T> (IEnumerable<T> xs) { Console.WriteLine(string.Join(" ", xs)); }

    static string Calc(int x) {
        var ans = new List<string>();

        while (x > 0) {
            if (x % 2 == 0) {
                ans.Add("R");
            }
            else {
                ans.Add("L");
            }
            x = (x - 1) / 2;
        }
        return string.Join("", ans.Reverse<>());
    }

    static void Main() {
        int n = ReadInt();
        for (int i = 0; i < n; i++) {
            int x = ReadInt();
            Console.WriteLine(Calc(x));
        }
    }
}