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 INF = 2000000000;
int main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  ;
  long long n, k, m;
  cin >> n >> k >> m;
  int n1 = n - 1;
  int tk = k - 1;
  while (m--) {
    int idx;
    cin >> idx;
    if (n % 2) {
      if (!k) {
        cout << '.';
        continue;
      }
      if (idx == n)
        cout << "X";
      else if (idx % 2) {
        if (tk <= n / 2) {
          cout << '.';
        } else {
          int k1 = tk - n1 / 2;
          idx = idx / 2 + 1;
          idx = n1 / 2 - idx;
          if (k1 <= idx) {
            cout << ".";
          } else
            cout << "X";
        }
      } else {
        if (tk >= n / 2) {
          cout << 'X';
        } else {
          idx = n1 - idx;
          idx /= 2;
          if (idx < tk) {
            cout << 'X';
          } else
            cout << '.';
        }
      }
    } else {
      if (idx % 2) {
        if (k <= n / 2) {
          cout << '.';
        } else {
          int k1 = k - n / 2;
          idx = idx / 2 + 1;
          idx = n / 2 - idx;
          if (k1 <= idx) {
            cout << ".";
          } else
            cout << "X";
        }
      } else {
        if (k >= n / 2) {
          cout << 'X';
        } else {
          idx = n - idx;
          idx /= 2;
          if (idx < k) {
            cout << 'X';
          } else
            cout << '.';
        }
      }
    }
  }
  return 0;
}
