#include<cstdio>
#include<iostream>
#include<algorithm>
#include<string>
#include<queue>
#include<vector>
#include<functional>
#include<cmath>
#include<map>
#include<stack>
#include<set>
#include<numeric>

using namespace std;
typedef long long ll;
typedef pair<int, int> pi;
typedef pair<ll, ll> pl;

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

	vector<string> v;
		 
	for (int i = 0; i < m; i++) {
		int a;
		string s = "";
		cin >> a;
		while (a != 0) {
			if (a % 2 == 0) {
				s += "R";
				a /= 2;
				a--;
			}else{
				s += "L";
				a /= 2;
			}
		}
		v.push_back(s);
	}

	for (int i = 0; i < v.size(); i++) {
		for (int j = v[i].size() - 1; j >= 0; j--) {
			cout << v[i][j];
		}
		cout << endl;
	}
  return 0;
}