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 p;
  cin >> n >> k >> p;
  char res[1010];
  res[p] = '\0';
  for (int i = 0; i < p; i++) {
    long long x;
    cin >> x;
    x = n - x;
    if (n % 2 == 0) {
      if (x % 2 == 0) {
        if (x / 2 < k)
          res[i] = 'X';
        else
          res[i] = '.';
      } else {
        if (n / 2 + (x - 1) / 2 < k)
          res[i] = 'X';
        else
          res[i] = '.';
      }
    } else {
      if (x == 0)
        res[i] = 'X';
      else if (x % 2 == 1) {
        if ((x + 1) / 2 < k)
          res[i] = 'X';
        else
          res[i] = '.';
      } else {
        if ((n + 1) / 2 + (x - 2) / 2 < k)
          res[i] = 'X';
        else
          res[i] = '.';
      }
    }
  }
  cout << res << endl;
}
