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, Q;
  cin >> N >> K >> Q;
  for (int i = 0; i < Q; i++) {
    long long x;
    cin >> x;
    if (x == N) {
      cout << "X";
    } else if (x % 2 == 0) {
      long long remain = K - (N % 2 == 1);
      if (x > (N - N % 2) - 2 * remain) {
        cout << "X";
      } else {
        cout << ".";
      }
    } else {
      long long remain = K - ((N + 1) / 2);
      if (remain > 0) {
        long long first = N - (N % 2) - 1;
        if (first - x <= 2 * (remain - 1)) {
          cout << "X";
        } else {
          cout << ".";
        }
      } else {
        cout << ".";
      }
    }
  }
  cout << endl;
}
