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() {
  unsigned long long n, k, p;
  cin >> n >> k >> p;
  for (int i = 0; i < (int)(p); ++i) {
    unsigned long long x;
    cin >> x;
    x--;
    if (k == 0) {
      cout << ".";
      continue;
    } else if (k == 1) {
      if ((n - 1 - x) == 0) {
        cout << "X";
      } else {
        cout << ".";
      }
      continue;
    }
    unsigned long long l = n - 1 - x;
    unsigned long long one, two, lng;
    if (n / 2 >= k) {
      if (n % 2 == 0) {
        if (l / 2 < k) {
          if (l % 2 == 0)
            cout << "X";
          else
            cout << ".";
        } else {
          cout << ".";
        }
      } else {
        if (l == 0)
          cout << "X";
        else {
          l--;
          if (l / 2 < k - 1) {
            if (l % 2 == 0)
              cout << "X";
            else
              cout << ".";
          } else {
            cout << ".";
          }
        }
      }
      continue;
    }
    two = n - k;
    one = k - two;
    if (l < one) {
      cout << "X";
    } else {
      l -= one;
      if (l % 2 == 0) {
        cout << "X";
      } else {
        cout << ".";
      }
    }
  }
  return 0;
}
