#include <bits/stdc++.h>
#define int long long
//#define USE_FREOPEN
#define MUL_TEST
#define FILENAME "path"
using namespace std;

void solve() {
	string s = "";
	int x;
	cin >> x;
	x++;
	while (x > 1) {
		if (x & 1) s = 'R' + s;
		else s = 'L' + s;
		x >>= 1;
	}
	cout << s << '\n';
}

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

	#ifdef USE_FREOPEN
		freopen(FILENAME ".in","r",stdin);
		freopen(FILENAME ".out","w",stdout);
	#endif
	int _ = 1;
	#ifdef MUL_TEST
		cin >> _;
	#endif
	while (_--)
		solve();
	_^=_;
	return 0^_^0;
}