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, p;
  while (cin >> n >> k >> p) {
    for (int i = 0; i < p; ++i) {
      long long pos;
      cin >> pos;
      if (n & 1) {
        if ((pos - 1) <= n - k - 1)
          putc('.', stdout);
        else
          putc('X', stdout);
      } else {
        pos = n - pos;
        if (pos & 1) {
          if ((k - n / 2) >= ((pos - 1) / 2) + 1)
            putc('X', stdout);
          else
            putc('.', stdout);
        } else {
          if ((pos / 2) + 1 <= k)
            putc('X', stdout);
          else
            putc('.', stdout);
        }
      }
    }
    putc('\n', stdout);
  }
}
