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;
  cin >> n >> k;
  long long init;
  long long stop;
  if (k == 1) {
    init = n - 1;
    stop = n;
  } else {
    if (n % 2 == 0) {
      if (n >= 2 * k) {
        init = n - 2 * k + 1;
        stop = n;
      } else {
        init = 1;
        stop = 2 * (n - k);
      }
    } else {
      n--;
      k--;
      if (n >= 2 * k) {
        init = n - 2 * k + 1;
        stop = n;
      } else {
        init = 1;
        stop = 2 * (n - k);
      }
      n++;
      k++;
    }
  }
  int p;
  long long x;
  cin >> p;
  for (int a = 0; a < p; a++) {
    cin >> x;
    if (x >= stop) {
      cout << "X";
      continue;
    }
    if (x <= init) {
      cout << ".";
      continue;
    }
    if ((x - init) % 2 == 1)
      cout << "X";
    else
      cout << ".";
  }
  cout << "\n";
  return 0;
}
