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, i, x;
char res(long long x) {
  if (n % k == 0 && k != 1) {
    if ((n - x + 1) % 2 == 1 && (n - x + 2) / 2 <= k)
      return 'X';
    else if (k - n / 2 >= (n - x + 2) / 2)
      return 'X';
    else
      return '.';
  } else {
    if (n - x + 1 > k)
      return '.';
    else
      return 'X';
  }
}
int main() {
  int a[1001];
  string ans = "";
  cin >> n >> k >> p;
  for (int i = 0; i < p; i++) {
    cin >> a[i];
  }
  if (k > 0)
    if (k == 1)
      for (int i = 0; i < p; i++) {
        if (a[i] == n)
          cout << 'X';
        else
          cout << '.';
      }
    else
      for (int i = 0; i < p; i++) {
        cout << res(a[i]);
      }
  else
    for (int i = 0; i < p; i++) cout << '.';
  cout << endl;
  return 0;
}
