#include <bits/stdc++.h>
using namespace std;

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

	while (m--) {
		int a;
		cin >> a;
		a++;

		string ans;
		
		while (a > 1) {
			if (a & 1) {
				ans = "R" + ans;
			} else {
				ans = "L" + ans;
			}
			a >>= 1;
		}

		cout << ans << endl;
	}
}