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>
#pragma comment(linker, "/STACK:256000000")
#pragma warning(disable : 4996 4018)
using namespace std;
long long n, k, p;
int main() {
  cin.tie(0);
  ios_base::sync_with_stdio(0);
  cin >> n >> k >> p;
  if ((n & 1) && k) {
    n--;
    k--;
  }
  while (p--) {
    long long nm;
    cin >> nm;
    if (nm > n) {
      cout << 'X';
      continue;
    }
    if (!k) {
      cout << '.';
      continue;
    }
    if (nm & 1) {
      if (k > n / 2) {
        long long rest = k - n / 2;
        long long nd = n / 2;
        long long val = nd - (nm / 2.0) + 1;
        if (val <= rest)
          cout << 'X';
        else
          cout << '.';
      } else
        cout << '.';
    } else {
      long long nd = n / 2;
      long long val = nd - (nm / 2) + 1;
      if (val <= k)
        cout << 'X';
      else
        cout << '.';
    }
  }
  return 0;
}
