#include<iostream>
#include<string>

using namespace std;

int main()
{
	int i, m, a, b, c;
	string s;

	cin >> m;

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

		while (1) {
			b = a % 2;
			c = a / 2;
			if (b == 0) {
				s.insert(0, "R");
				a = c - 1;
			}
			else {
				s.insert(0, "L");
				a = c;
			}
			if (a == 0) break;
		}
		cout << s << endl;
		s = "\0";
	}
	return 0;

}