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, t;
int p;
int main() {
  cin >> n >> k >> p;
  if (n % 2 && k) {
    n--;
    k--;
  }
  for (int i = 0; i < p; i++) {
    cin >> t;
    if (t > n || t % 2 == 1 && (n - t + 1) / 2 < k - n / 2 ||
        t % 2 == 0 && (n - t) / 2 < k)
      cout << "X";
    else
      cout << ".";
  }
  cout << endl;
  return 0;
}
