/**
 * Solution to "Once Around the Lock"
 */
import java.util.*;

class Move {
  public String dir; // "C" or "CC"
  public int dist;
  public Move(String d, int ds) {
     dir = d; dist = ds;
  }
}

public class Lock {
  public static Scanner in = new Scanner(System.in);
  public static int n, // number of positions on dial
                   x,y,z; // combination
  public static ArrayList<Move> move;
  public static int caseNum;

  public static void main(String[] args) {
    caseNum = 0;
    while ((n = in.nextInt()) != 0) {
       caseNum++;
       x = in.nextInt();
       y = in.nextInt();
       z = in.nextInt();

       move = new ArrayList<Move>();
       String dir = in.next();
       while (!dir.equals("?")) {
          int dist = in.nextInt();
          move.add(new Move(dir,dist));
          dir = in.next();
       }
       //display();
       boolean open = true;
       // First, look for clockwise rotations adding up to
       // 2n-x or 3n-x or ...:
       int i = 0;
       int sum = 0;
       while (i < move.size()) {
         Move m = move.get(i);
         if (m.dir.equals("C"))
           sum += m.dist;
         else
           break;
         i++;
       }
       if (sum < n || sum%n != n-x) {
          open = false;
       }
       else {
          // Next, look for counterclockwise rotations adding up to
          // exactly (n+y-x)%n + n
          sum = 0;
          while (i < move.size()) {
            Move m = move.get(i);
            if (m.dir.equals("CC"))
               sum += m.dist;
            else
               break;
            i++;
          }
          if (sum != n + (n+y-x)%n) {
             open = false;
          }
          else {
            // Finally, look for z:
             sum = 0;
             while (i < move.size()) {
               Move m = move.get(i);
               if (m.dir.equals("C"))
                  sum += m.dist;
               else
                  break;
               i++;
             }
             if (sum !=  (n+y-z)%n) {
                open = false;
             }
             else {
               // make sure we don't move the dial anymore
                sum = 0;
                while (i < move.size()) {
                  Move m = move.get(i);
                  sum += m.dist;
                  i++;
                }
                if (sum != 0) {
                   open = false;
                }
             }
          }
        }
        if (open)
          System.out.println("Open");
        else
          System.out.println("Closed");
     }
   }

  public static void display() {
    System.out.printf("Case %d: %d %d %d %d\n",caseNum,n,x,y,z);
    for (Move m: move) {
       System.out.printf("%s %d ",m.dir,m.dist);
    }
    System.out.println();
  }
}