#include <iostream>
#include <algorithm>
using namespace std;
using ll = long long;

int bitget(int a){
	int ans = 0;
	while (a > 0){
		a /= 2;
		ans++;
	}
	return ans;
}

int main(){
	int n;
	cin >> n;
	int a[10000];
	for (int i = 0; i < n; i++){
		cin >> a[i];
		a[i]++;
	}
	for (int i = 0; i < n; i++){
		for (int j = bitget(a[i])-2; j >=0; j--){
			if (a[i] & (1 << j))cout << "R";
			else cout << "L";
		}
		cout << endl;
	}
}