import java.io.*;
import java.util.*;


public class Main_yukicoder392 {

    public static void main(String[] args) {
    	Scanner sc = new Scanner(System.in);
    	Printer pr = new Printer(System.out);

    	int m = sc.nextInt();

    	for (int i = 0; i < m; i++) {
    		int a = sc.nextInt();

    		int j;
    		for (j = 0; a - (0x1 << j) >= 0; j++) {
    			a -= 0x1 << j;
    		}

    		StringBuilder ret = new StringBuilder();
    		for (int k = 0; k < j; k++) {
    			if (a % 2 == 0) {
    				ret.append('L');
    			} else {
    				ret.append('R');
    			}

    			a /= 2;
    		}

    		pr.println(ret.reverse());
    	}

		sc.close();
        pr.close();
    }

	@SuppressWarnings("unused")
	private static class Scanner {
		BufferedReader br;
		Iterator<String> it;

		Scanner (InputStream in) {
			br = new BufferedReader(new InputStreamReader(in));
		}

		String next() throws RuntimeException  {
			try {
				if (it == null || !it.hasNext()) {
					it = Arrays.asList(br.readLine().split(" ")).iterator();
				}
				return it.next();
			} catch (IOException e) {
				throw new IllegalStateException();
			}
		}

		int nextInt() throws RuntimeException {
			return Integer.parseInt(next());
		}

		long nextLong() throws RuntimeException {
			return Long.parseLong(next());
		}

		float nextFloat() throws RuntimeException {
			return Float.parseFloat(next());
		}

		double nextDouble() throws RuntimeException {
			return Double.parseDouble(next());
		}

		void close() {
			try {
				br.close();
			} catch (IOException e) {
//				throw new IllegalStateException();
			}
		}
	}

	private static class Printer extends PrintWriter {
		Printer(PrintStream out) {
			super(out);
		}
	}
}