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;
long long n, k, p;
int main() {
  long long poz, val, mov = 0;
  cin >> n >> k >> p;
  val = n - (k - 1) * 2 - 1;
  if ((k > 1) && (val % 2 == 0)) mov = 1;
  while (p--) {
    cin >> poz;
    if (k == 0)
      cout << '.';
    else if (k == 1) {
      if (poz < n)
        cout << '.';
      else
        cout << 'X';
    } else {
      if (!mov) {
        val = n - poz;
        if ((val % 2 == 0) && (val / 2 >= 0) && (val / 2 <= k - 1))
          cout << 'X';
        else
          cout << '.';
      } else {
        val = n - 1 - poz;
        if (((val % 2 == 0) && (val / 2 >= 0) && (val / 2 <= k - 2)) ||
            (poz == n))
          cout << 'X';
        else
          cout << '.';
      }
    }
  }
  return 0;
}
