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() {
  int N, K, P;
  cin >> N >> K >> P;
  for (int i = 0; i < P; i++) {
    int x;
    cin >> x;
    if (N % 2) {
      if (x <= N - K)
        cout << ".";
      else
        cout << "X";
    } else {
      if (K <= N / 2 && x % 2) {
        cout << ".";
      } else if (K <= N / 2) {
        if (x <= N - 2 * K) {
          cout << ".";
        } else
          cout << "X";
      } else if (K > N / 2) {
        if (x <= N - K) {
          if (x % 2)
            cout << ".";
          else
            cout << "X";
        } else
          cout << "X";
      }
    }
  }
  return 0;
}
