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

public class D {

	static Scanner in = new Scanner(new BufferedInputStream(System.in));
	static PrintWriter out = new PrintWriter(System.out);

	public static void main(String[] args) throws IOException {
		long n = in.nextLong(), k = in.nextLong();
		int p = in.nextInt();

		long s = n;
		boolean sv = k > 0;
		if(n % 2 == 1) {
			n--;
			k = Math.max(0, k - 1);
		}

		for(int i = 0; i < p; i++) {
			long x = in.nextLong();

			if(x == s) {
				out.print(sv ? 'X' : '.');
			} else {
				if(x % 2 == 0) {
					out.print(k >= n / 2 - x / 2 + 1 ? 'X' : '.');
				} else {
					x = (x + 1);
					out.print(k - n / 2 >= n / 2 - x / 2 + 1 ? 'X' : '.');
				}
			}
		}

		out.println();
		out.flush();
	}
}
