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() {
  long long n, k, x, n1, n2, n3;
  n1 = n2 = n3 = 0;
  int p;
  cin >> n >> k >> p;
  if (k == n)
    n3 = n;
  else {
    if (!(n - 2 * k))
      n2 = n;
    else if (n - 2 * k < 0) {
      n2 = 2 * (n - k);
      n3 = k - n2 / 2;
    } else {
      n2 = 2 * k;
      n1 = n - n2;
      if (n % 2) {
        n1++;
        n2 -= 2;
        n3++;
      }
    }
  }
  string s, s1, s2;
  s1 = ".";
  s2 = "X";
  for (int i = 0; i < p; i++) {
    cin >> x;
    if (x <= n1)
      s += s1;
    else {
      x -= n1;
      if (x > n2)
        s += s2;
      else if (x % 2)
        s += s1;
      else
        s += s2;
    }
  }
  cout << s << endl;
  return 0;
}
