#include<iostream>
#include<string>
#include<algorithm>

int main() {
	int m;

	std::cin >> m;

	for (int i = 0; i < m; i++) {
		int num;
		std::string ans;

		std::cin >> num;
		
		while(num != 0){
			if (num % 2 == 1) {
				num /= 2;
				ans += "L";
			} else {
				num = (num - 1) / 2;
				ans += "R";
			}
		}
		std::reverse(ans.begin(), ans.end());

		std::cout << ans << std::endl;
	}
	return 0;
}