import java.util.Scanner;

public class Main {

	@SuppressWarnings("resource")
	public static void main(String args[]) {
		Scanner scanner = new Scanner(System.in);
		int m=scanner.nextInt();
		for(int i=0;i<m;i++) {
			int a=scanner.nextInt();
			String ans="";
			while(a>0) {
				if(a%2==0) {
					a/=2;
					a--;
					ans="R"+ans;
				}else {
					a/=2;
					ans="L"+ans;
				}
			}
			System.out.println(ans);
		}
	}
}