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, mice, val;
  cin >> n >> k >> p;
  if (n >= 2 * k) {
    mice = n - 2 * k;
    if (!(mice & 1)) {
      while (p--) {
        cin >> val;
        if (val & 1 || val <= mice) {
          cout << '.';
        } else
          cout << 'X';
      }
    } else {
      while (p--) {
        cin >> val;
        if ((val & 1 && val != n) || val <= mice + 1)
          cout << '.';
        else
          cout << 'X';
      }
    }
  } else {
    mice = n - k;
    while (p--) {
      cin >> val;
      if (val & 1 && val < 2 * mice) {
        cout << '.';
      } else
        cout << 'X';
    }
  }
  cout << endl;
  return 0;
}
