#include <iostream>
#include <algorithm>
using namespace std;

int main(){
	int m;
	cin >> m;
	while(m--){
		int a;
		cin >> a;
		string ans = "";
		while(a){
			ans += (a & 1 ? "L" : "R");
			a -= 2 - (a & 1);
			a >>= 1;
		}
		reverse(ans.begin(),ans.end());
		cout << ans << endl;
	}
}