#include <iostream>
#include <string>
#include <cstdio>
#include <algorithm>
#include <vector>
using namespace std;
#define rep(i,n) for(int i=0;i<(n);i++)

int main(void){
	int m; cin >> m;
	rep(i, m){
		int now; cin >> now;
		now++;

		vector<int> ans;
		while(now != 1){
			if(now % 2 == 0) ans.push_back(0);//L
			else ans.push_back(1);//R
			now /= 2;
		}
		int size = ans.size();
		
		for (int i = size - 1; i >= 0; --i){
			if(ans[i] == 0) printf("L");
			else printf("R");
		}
		printf("\n");
	}
	return 0;
}