#include <iostream>
#include <cstdio>
#include <vector>
#include <algorithm>
#include <utility>
#include <string>

using namespace std;


void solve(int a) {
	a++;
	string s;
	while (a > 1) {
		s += a & 1 ? "R" : "L";
		a >>= 1;
	}
	reverse(s.begin(), s.end());

	cout << s << endl;
}

int main() {
	int m, a;

	cin >> m;
	for (int i = 0; i < m; i++) {
		cin >> a;
		solve(a);
	}
	return 0;
}