#include <bits/stdc++.h>

//const static double	de_PI	= 3.14159265358979323846;
//const static int	de_MOD	= 1000000007;
//const static int	de_MAX	= 999999999;
//const static int	de_MIN = -999999999;

int main(void) {

	//std::ifstream inf("123.txt");	std::cin.rdbuf(inf.rdbuf());
	int m = 0;
	std::cin >> m;
	std::vector<std::string> A(m);
	
	int num = 0;
	for (int i = 0; i < m; i++) {
		std::cin >> num;
		while (num != 0) {
			if (num % 2 == 0) {
				A[i].push_back('R');
				num = num / 2 - 1;
			}
			else { 
				A[i].push_back('L');
				num = num / 2;
			}
		}
		std::reverse(A[i].begin(), A[i].end());
	}

	for (int i = 0; i < m; i++) {
		std::cout << A[i] << std::endl;
	}

}