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.Scanner;

public class D {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        long n = in.nextLong();
        long k = in.nextLong();
        int p = in.nextInt();
        while (p-- > 0) {
            long q = in.nextLong();
            if (n % 2 == 0) {
                if (q % 2 == 0 && (n - q) / 2 + 1 <= k || q % 2 == 1
                        && (n - q) / 2 + 1 <= k - n / 2)
                    System.out.print('X');
                else
                    System.out.print('.');
            } else {
                if (q == n) {
                    if (k > 0)
                        System.out.print('X');
                    else
                        System.out.print('.');
                } else {
                    if (q % 2 == 0 && (n - q - 1) / 2 + 1 <= k - 1
                            || q % 2 == 1
                            && (n - q - 1) / 2 + 1 <= k - n / 2 - 1)
                        System.out.print('X');
                    else
                        System.out.print('.');
                }
            }
        }
    }
}
