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;
char pos(long long x) {
  if (n % 2 == 0) {
    if (x % 2 == 0) {
      long long dist = (n - x) / 2 + 1;
      if (dist <= k)
        return 'X';
      else
        return '.';
    } else {
      long long dist = n / 2 + (n - x + 1) / 2;
      if (dist <= k)
        return 'X';
      else
        return '.';
    }
  } else {
    if (x == n) {
      if (k >= 1)
        return 'X';
      else
        return '.';
    } else {
      long long dist;
      if (x % 2 == 0) {
        dist = (n - x + 1) / 2 + 1;
      } else {
        dist = (n + 1) / 2 + (n - x) / 2;
      }
      if (dist <= k)
        return 'X';
      else
        return '.';
    }
  }
}
int main() {
  cin >> n >> k >> p;
  for (long long i = 0; i < p; i++) {
    long long x;
    cin >> x;
    cout << pos(x);
  }
  cout << endl;
  return 0;
}
