import java.util.*;

public class Main {
	public static void main (String[] args) {
    	Scanner sc = new Scanner(System.in);
    	int n = sc.nextInt();
    	StringBuilder sb = new StringBuilder();
    	for (int i = 0; i < n; i++) {
    	    int x = sc.nextInt();
    	    StringBuilder tmp = new StringBuilder();
    	    while (x > 0) {
        	    if (x % 2 == 0) {
        	        x--;
        	        tmp.append("R");
        	    } else {
        	        tmp.append("L");
        	    }
        	    x /= 2;
    	    }
    	    sb.append(tmp.reverse()).append("\n");
    	}
    	System.out.print(sb);
	}
}