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.print(".");
            else {
                if (q == n)
                    System.out.print("X");
                else {
                    if (n % 2 == 1) {
                        k--;
                        n--;
                    }
                    if (k == 0)
                        System.out.print(".");
                    else {
                        if (q % 2 != 0) {
                            if (k > n / 2) {
                                k -= n / 2;
                                if (q > n - 2 * k)
                                    System.out.print("X");
                                else
                                    System.out.print(".");
                            } else
                                System.out.print(".");
                        } else {
                            if (q > n - 2 * k)
                                System.out.print("X");
                            else
                                System.out.print(".");
                        }
                    }
                }
            }
        }
    }
}