#include<bits/stdc++.h>
using namespace std;
int main()
{
	int m;
	cin>>m;
	while(m--)
	{
		int x;
		cin>>x;
		string s;
		while(x!=0)
		{
			int fa=(x-1)/2;
			if(fa*2+1==x) s+='L';
			else s+='R';
			x=fa;	
		}	
		reverse(s.begin(),s.end());
		cout<<s<<endl;
	} 
	return 0;
}