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, diff, w1, w2;
  char ans;
  cin >> n >> k >> p;
  long long a[1000];
  for (int i = 0; i < p; i++) {
    cin >> a[i];
  }
  for (int i = 0; i < p; i++) {
    if (n <= 2 * k) {
      if (a[i] <= 2 * (n - k) && a[i] % 2 == 1) {
        cout << ".";
      } else {
        cout << "X";
      }
    } else if ((n - k + 1) / 2 >= n / 2) {
      if (a[i] <= (n - k)) {
        cout << ".";
      } else {
        cout << "X";
      }
    } else {
      if (a[i] <= (n - 2 * k) || (a[i] - (n - 2 * k)) % 2 == 1) {
        cout << ".";
      } else {
        cout << "X";
      }
    }
  }
  return 0;
}
