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, p;
bool f = false;
int main() {
  cin >> n >> k >> p;
  f = n % 2;
  for (int i = 0; i < p; ++i) {
    long long a;
    cin >> a;
    if (f) {
      cout << (k >= 1 && n - a == 0 ||
                       k > 1 && (n - a - 1) / 2 < k - 1 && (n - a) % 2 ||
                       2 * k - 1 > n && (n - a - 2) / 2 < k - n / 2 - 1
                   ? 'X'
                   : '.');
    } else
      cout << (k > 1 && (n - a) / 2 < k && (n - a) % 2 == 0 ||
                       2 * k > n && (n - a - 1) / 2 < k - n / 2
                   ? 'X'
                   : '.');
  }
  return 0;
}
