#include <bits/stdc++.h>

using namespace std;

using ll = long long;
using ul = unsigned long;
using ull = unsigned long long;

int main()
{
	ios::sync_with_stdio(false);
	cin.tie(nullptr);

	int m;
	cin >> m;
	
	stringstream ss;
	for (int i = 0; i < m; ++i)
	{
		int a;
		cin >> a;

		stack<string> st;
		while (a)
		{
			st.push(a & 1 ? "L"s : "R"s);
            --a;
			a >>= 1;
		}

		while (!st.empty())
		{
			ss << st.top();
			st.pop();
		}
		ss << "\n";
	}

	cout << ss.str();

	return 0;
}