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.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

public class sample {
	static int cnt = 0;
	static boolean[][] adj;
	static boolean[] v;

	public static void main(String[] args) throws IOException {
		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
		StringTokenizer st = new StringTokenizer(in.readLine());
		long n, k, q;
		int p;
		n = Long.parseLong(st.nextToken());
		k = Long.parseLong(st.nextToken());
		p = Integer.parseInt(st.nextToken());
		Long kk = k, nn = n;
		for (int i = 0; i < p; i++) {
			k = kk;
			n = nn;
			q = Long.parseLong(in.readLine());
			if (k == 0)
				System.out.println(".");
			else {
				if (q == n)
					System.out.println("X");
				else {
					if (n % 2 == 1) {
						k--;
						n--;
					}
					if (k == 0)
						System.out.println(".");
					else {
						if (q % 2 != 0)
							System.out.println(".");
						else {
							if (q > n - 2 * k)
								System.out.println("X");
							else
								System.out.println(".");
						}
					}
				}
			}
		}
	}
}