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

int main() {
    int m; cin >> m;
    while (m--) {
        int a; cin >> a; a++;
        string res = "";
        while (a != 1) {
            res += "LR"[a % 2];
            a >>= 1;
        }
        reverse(res.begin(), res.end());
        cout << res << endl;
    }
    return 0;
}