import java.util.Scanner;
import java.io.PrintWriter;

class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		PrintWriter pw = new PrintWriter(System.out);
		int m = sc.nextInt(), a;
		for (int i = 0; i < m; ++i) {
			a = sc.nextInt();
			String tmp = new String();
			do {
				if (a % 2 == 0) {
					tmp += "R";
					--a;
				}
				else tmp += "L";
				a /= 2;
			} while (a != 0);
			StringBuffer ans = new StringBuffer(tmp);
			pw.println(ans.reverse());
		}
		sc.close();
		pw.close();
	}
}