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

int main() {
	int n;
	cin>>n;
	string s;
	int a;
	for(int i=0;i<n;i++)
	{
		s="";
		cin>>a;
		a++;
		while(a!=1)
		{
			if(a%2==0)s+="L";
			else s+="R";
			a/=2;
		}
		for(int i=s.length()-1;i>=0;i--)cout<<s[i];
		cout<<endl;
	}
	return 0;
}