package no392;

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int m = sc.nextInt();
		for(int i=0;i<m;i++) {
			int a = sc.nextInt();
			StringBuilder sb = new StringBuilder();
			while(a > 0) {
				if (a % 2 == 0) {
					sb.append('R');
				}else{
					sb.append('L');
				}
				a = (a - 1) / 2;
			}
			sb.reverse();
			System.out.println(sb.toString());
		}
	}

}