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;
  long long q;
  cin >> n >> k >> q;
  bool f = 0;
  if (k == 0) f = 1;
  long long nn = n;
  if (n % 2 == 1) {
    k--;
    n--;
  }
  for (long long i = 1; i <= q; i++) {
    long long a;
    cin >> a;
    if (f) {
      cout << '.';
      continue;
    }
    if (a == nn) {
      cout << 'X';
      continue;
    }
    if (k > n / 2) {
      if ((n - a) % 2 == 0)
        cout << "X";
      else if ((n - a + 1) / 2 <= k - n / 2)
        cout << "X";
      else
        cout << ".";
    } else {
      if ((n - a) % 2 == 0 && (n - a) < 2 * k)
        cout << "X";
      else
        cout << ".";
    }
  }
  cout << endl;
  return 0;
}
