#include <bits/stdc++.h>
#define REP(i,n,N) for(int i=(n);i<(int) N;i++)
#define p(s) cout<<(s)<<endl
using namespace std;

int main() {
	int n;
	cin>>n;
	REP(i,0,n){
		int a;
		cin>>a;
		string s="";
		while(a>0){
			if(a%2) s+='L';
			else s+='R';
			a=(a-1)/2;
		}
		reverse(s.begin(),s.end());
		p(s);
	}
	return 0;
}