import java.util.Scanner;

public class No392 {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int m = sc.nextInt();
		
		for(int i = 0;i < m;i++) {
			StringBuilder route = new StringBuilder();
			int a = sc.nextInt();
			
			while(a != 0) {
				if(a % 2 == 0) {
					route.append("R");
					a = a/2 - 1;
				}else {
					route.append("L");
					a = a/2;
				}
			}
			
			System.out.println(route.reverse());
		}
	}
}