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;
int main() {
  long long n, k;
  int a;
  cin >> n >> k >> a;
  long long p;
  long long emp = n - k;
  long long border = n - 2 * k;
  for (int i = 0; i < a; i++) {
    cin >> p;
    if (k >= (n + 1) / 2) {
      if (p % 2 == 1 && p <= emp * 2) {
        cout << '.';
      } else
        cout << 'X';
    } else {
      if (p <= border)
        cout << '.';
      else {
        if (border % 2 == 0) {
          if (p % 2 == 0)
            cout << 'X';
          else
            cout << '.';
        } else if (border % 2 == 1) {
          if (border == n - 2) {
            if (p == border + 1)
              cout << '.';
            else if (p == border + 2)
              cout << 'X';
          } else {
            if (p == border + 2 || p == border + 1)
              cout << '.';
            else if (p == border + 3)
              cout << 'X';
            else if (p % 2 == 1)
              cout << 'X';
            else
              cout << '.';
          }
        }
      }
    }
  }
  return 0;
}
