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;
char getAns(long long n, long long k, long long pos) {
  if (n <= k)
    return 'X';
  else if (n & 1) {
    if (k == 0)
      return '.';
    else {
      if (pos == n - 1)
        return 'X';
      else
        return getAns(n - 1, k - 1, pos);
    }
  } else {
    if (pos & 1) {
      if (k >= (n - pos + 1) / 2)
        return 'X';
      else
        return '.';
    } else {
      if ((n - pos) / 2 <= k - n / 2)
        return 'X';
      else
        return '.';
    }
  }
}
int main() {
  long long n, k;
  int p;
  while (cin >> n >> k >> p) {
    for (int i = 0; i < p; ++i) {
      long long pos;
      cin >> pos;
      --pos;
      putc(getAns(n, k, pos), stdout);
    }
    putc('\n', stdout);
  }
}
