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;
unsigned long long n;
unsigned long long k, p;
int main() {
  cin >> n >> k >> p;
  bool h = false;
  if (k >= n / 2 + n % 2) h = true;
  for (int i = 0; i < p; ++i) {
    unsigned long long x;
    cin >> x;
    if (h) {
      if (n == 3 && k == 2) {
        if (x >= 2)
          cout << "X";
        else
          cout << ".";
        continue;
      }
      if (n % 2 == x % 2)
        cout << "X";
      else {
        if (k > n / 2 + n % 2) {
          if (n - (k - n / 2 - n % 2) * 2 + 1 > x)
            cout << ".";
          else
            cout << "X";
        } else
          cout << ".";
      }
    } else {
      if (n - k + 1 <= x)
        cout << "X";
      else
        cout << ".";
    }
  }
  return 0;
}
