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, m, k, d;
  cin >> n >> m >> k;
  d = n - m;
  long long buf;
  if (n % 2 != 0)
    for (int i = 0; i < k; ++i) {
      cin >> buf;
      if (buf <= d)
        cout << '.';
      else
        cout << 'X';
    }
  else
    for (int i = 0; i < k; ++i) {
      cin >> buf;
      if (buf % 2 == 0)
        cout << 'X';
      else
        cout << '.';
    }
  return 0;
}
