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;
long long N, K;
bool has_bullet(long long slot) {
  if (2 * K >= N) return !(slot % 2 == 0 && slot < 2 * (N - K));
  if (N % 2 == 0) return (slot % 2 == 1 && slot + 2 * K - 1 >= N);
  if (slot == N - 1 && K > 0) return true;
  return (slot % 2 == 1 && slot + 2 * (K - 1) >= N);
}
int main() {
  int P;
  cin >> N >> K >> P;
  for (int i = 0; i < P; i++) {
    long long x;
    cin >> x;
    cout << (has_bullet(x - 1) ? 'X' : '.');
  }
  cout << '\n';
}
