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

#include <bits/stdc++.h>
using namespace std;
const int M = 2 * 100000 + 10;
int main() {
  long long int n, k, p;
  cin >> n >> k >> p;
  for (int i = 0; i < p; i++) {
    long long int id;
    cin >> id;
    if (n % 2 == 0) {
      if (id % 2 == 0) {
        char c = ((id >= n - 2 * (k - 1) && id <= n) ? 'X' : '.');
        cout << c;
      } else {
        char c =
            ((id >= n - 1 - 2 * (k - n / 2 - 1) && id <= n - 1) ? 'X' : '.');
        cout << c;
      }
    } else {
      if (id % 2 == 0) {
        char c = ((id >= n - 1 - 2 * (k - 1 - 1) && id <= n - 1) ? 'X' : '.');
        cout << c;
      } else {
        if (id == n) {
          char c = (k > 0 ? 'X' : '.');
          cout << c;
        } else {
          char c =
              ((id >= n - 2 - 2 * (k - n / 2 - 1 - 1) && id <= n - 2 ? 'X'
                                                                     : '.'));
          cout << c;
        }
      }
    }
  }
  cout << endl;
  return 0;
}
