#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef pair<int, int> pii;
#define pb push_back
#define mp make_pair
#define fi first
#define se second

string solve(int p)
{
	string s,r;
	while(p!=0)
	{
		if(p%2)
		{
			p=(p-1)/2;
			s+="L";
		}
		else
		{
			p=(p-2)/2;
			s+="R";
		}
	}
	for(int i=s.length()-1;i>=0;i--)r+=s[i];
	return r;
}

int main()
{
	int n,a;
	cin>>n;
	for(int i=0;i<n;i++)
	{
		cin>>a;
		cout<<solve(a)<<endl;
	}
	return 0;
}