import java.util.*;

public class d {
    static int[] state, l, r;

    public static void main(String[] args) {
        //Read input
        Scanner scan = new Scanner(System.in);
        int n = scan.nextInt();
        int m = scan.nextInt();
        state = new int[m+1];
        l = new int[m+1];
        r = new int[m+1];
        for (int i = 1; i <= m; i++) {
            char inState = scan.next().charAt(0);
            if (inState == 'L')
                state[i] = 0;
            else if (inState == 'R')
                state[i] = 1;
            else
                System.out.println("ERRRRORRROR");

            l[i] = scan.nextInt();
            r[i] = scan.nextInt();
        }

        //Run simulation
        for (int i = 1; i <= n; i++) {
            int location = 1;
            int newLocation = 0;
            while (location != 0) {
                if (state[location] == 0)
                    newLocation = l[location];
                else
                    newLocation = r[location];
                state[location] = 1 - state[location];
                location = newLocation;
            }
        }

        //Print answer
        for (int i = 1; i <= m; i++) {
            if (state[i] == 0)
                System.out.print("L");
            else
                System.out.print("R");
        }
        System.out.print("\n");
    }
}