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;
bool bullet(long long N, long long K, long long X) {
  if (N % 2 == 0) {
    if (K <= N / 2)
      return X % 2 == 0 && X >= N - 2 * (K - 1);
    else
      return X % 2 == 0 || X >= N - 2 * (K - N / 2) + 1;
  } else {
    if (K <= (N + 1) / 2)
      return (X == N && K >= 1) || (X % 2 == 0 && X >= N - 2 * K + 3);
    else
      return X % 2 == 0 || X >= N - 2 * (K - (N + 1) / 2);
  }
}
int main() {
  long long N, K, X;
  int P;
  cin >> N >> K >> P;
  for (int i = 0; i < P; i++) {
    cin >> X;
    putchar(bullet(N, K, X) ? 'X' : '.');
  }
  putchar('\n');
  return 0;
}
