import java.util.Scanner;

public class Test {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt(), k;
		String s;
		for (int i = 0; i < n; i++) {
			k = sc.nextInt();
			s = "";
			while (k > 0) {
				if (k % 2 == 1) {
					s = "L" + s;
				} else {
					s = "R" + s;
				}
				k = (k - 1) / 2;
			}
			System.out.println(s);
		}
	}
}