#include <iostream>
int main() {
	std::cin.tie(0);
	std::ios::sync_with_stdio(false);
	int m;
	std::cin >> m;
	int* dp = new int[m];
	for (int i = 0; i < m; ++i) {
		std::cin >> dp[i];
	}
	char path[10] = { 0 };
	int size = 0;
	int t;
	for (int i = 0; i < m; ++i, size = 0, std::cout << std::endl) {
		while (dp[i]) {
			t = dp[i];
			dp[i] = (dp[i] - 1) / 2;
			if (t == dp[i] * 2 + 1) {
				path[size] = 'L';
			}
			else {
				path[size] = 'R';
			}
			++size;
		}
		while (size) {
			--size;
			std::cout << path[size];
		}
	}
}