#include <iostream>
#include <algorithm>
#include <map>

using namespace std;
using LL = long long;
using ULL = unsigned long long;

int main() {
    int m;
    cin >> m;

    map<int, string> map;
    int A;
    for (int i = 0; i < m; i++) {
        cin >> A;
        string r;
        while (A) {
            if (A % 2 == 0) r += "R";
            else r += "L";
            A = (A - 1) / 2;
        }
        reverse(r.begin(), r.end());
        cout << r << endl;
    }
}