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;
int main() {
  long long n, k, p;
  while (cin >> n >> k >> p) {
    if (n & 1) {
      n--;
      k--;
    }
    for (int i = 0; i < p; i++) {
      long long x;
      cin >> x;
      if (x == n + 1) {
        cout << 'X';
      } else {
        if (((n - x) & 1) == 0) {
          if ((n - x) / 2 + 1 <= k) {
            cout << 'X';
          } else {
            cout << '.';
          }
        } else {
          if (k > n / 2) {
            if ((k - n / 2) <= (n - x + 1) / 2) {
              cout << 'X';
            } else {
              cout << '.';
            }
          } else {
            cout << '.';
          }
        }
      }
    }
    cout << endl;
  }
  return 0;
}
