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, m, x;
  cin >> n >> k >> m;
  k = n - k;
  long long o = min(n / 2, k);
  long long oo = k - o;
  if (o == 0 && oo) {
    o++;
    oo--;
  }
  for (int i = 0; i < m; i++) {
    cin >> x;
    x--;
    if (x % 2 == 0 && x / 2 < o || x % 2 && x / 2 < oo)
      putchar('.');
    else
      putchar('X');
  }
  puts("");
  return 0;
}
