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, m, k, tn, tm;
  int i, p;
  cin >> n >> m >> p;
  tn = n;
  tm = m;
  if (n & 1) n--, m--;
  if (n - 2 * m + 2 > 1) {
    for ((i) = 0; (i) < (p); (i)++) {
      cin >> k;
      if ((k < n - 2 * m + 2 || (k & 1)) && k != n + 1)
        cout << '.';
      else if (k != 1 || tm == tn)
        cout << 'X';
      else
        cout << '.';
    }
  } else {
    for ((i) = 0; (i) < (p); (i)++) {
      cin >> k;
      if ((k <= 2 * (n - m) && k & 1) && k != n + 1)
        cout << '.';
      else if (k != 1 || tm == tn)
        cout << 'X';
      else
        cout << '.';
    }
  }
  cout << endl;
  return 0;
}
