#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
using namespace std;

int main(void)
{
    int m;
    cin >> m;
    for (int i = 0; i < m; ++i)
    {
        int c;
        cin >> c;
        int depth = 0;
        string s = "";
        while (c)
        {
            if (c % 2 == 0)
            {
                s += "R";
                c = c / 2 - 1;
            }
            else
            {
                s += "L";
                c /= 2;
            }
        }
        reverse(s.begin(), s.end());
        cout << s << endl;
    }
    return 0;
}