7 7 7
1
2
3
4
5
6
7
 4 2 8
1
3
4
2
3
4
1
2
 9 4 9
1
2
3
4
5
6
7
8
9
 7 5 7
1
2
3
4
5
6
7
 15 10 15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
 4 0 4
1
2
3
4
 12 2 12
1
2
3
4
5
6
7
8
9
10
11
12
 10 2 10
1
2
3
4
5
6
7
8
9
10
 7 4 7
1
2
3
4
5
6
7
 7 3 7
1
2
3
4
5
6
7

XXXXXXX
 ..XX.X.X
 ...X.X.XX
 .X.XXXX
 .X.X.X.X.XXXXXX
 ....
 .........X.X
 .......X.X
 .X.X.XX
 ...X.XX

import java.util.*;
public class cf103c {
  public static void main(String[] args) {
    Scanner in = new Scanner(System.in);
    long n = in.nextLong();
    long k = in.nextLong();
    int p = in.nextInt();
    for(int i=0; i<p; i++) {
      long z = in.nextLong();
      if(getInd(n,z) > k) System.out.print(".");
      else System.out.print("X");
    }
    System.out.println();
  }
  static long getInd(long n, long k) {
    long z = n/2;
    if(n%2 == 0) {
      if(k%2 == 0)
        return (z-k/2)+1;
      return n-k/2;
    }
    if(k == n) return 1;
    if(k%2 == 0)
      return (z-k/2)+2;
    return n-k/2;
  }
}
