#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <algorithm>
#include <utility>
#include <functional>
#include <cstring>
#include <queue>
#include <stack>
#include <math.h>
#include <iterator>
#include <vector>
#include <string>
#include <set>
#include <math.h>
#include <iostream> 
#include<map>
#include <stdlib.h>
#include <list>
#include <typeinfo>
#include <list>
#include <set>
#include <iomanip>
using namespace std;
#define MAX_MOD 1000000007
#define REP(i,n) for(int i = 0;i < n;++i)
int main() {
	int m;
	cin >> m;
	REP(i, m) {
		string ans;
		int a;
		cin >> a;
		while (a != 0) {
			if (a % 2 == 0) {
				ans.push_back('R');
				a--;
			}else{
				ans.push_back('L');
			}
			a /= 2;
		}
		for (int i = ans.length() - 1;i >= 0;--i) {
			cout << ans[i];
		}
		cout << endl;
	}
	return 0;
}