#include <bits/stdc++.h>

using namespace std;

#define INF 2000000000
#define MOD 1000000007
typedef long long ll;
typedef pair<int, int> P;


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

	for (int i = 0; i < m; i++) {
		int a;
		cin >> a;
		string ret = "";
		while (true) {
			if (a<=0) {
				break;
			}
			if (a%2==0) {
				ret = "R" + ret;
				a = a/2-1;
			} else {
				ret = "L" + ret;
				a /= 2;
			}
		}
		cout << ret << endl;
	}
}