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 solve(long long n, long long k, long long x) {
  if (k == 0) return '.';
  if (n % 2 == 0) {
    if (k <= n / 2) {
      if (x % 2 == 1 || x / 2 + k <= n / 2)
        return '.';
      else
        return 'X';
    } else {
      if (x % 2 == 0 || x / 2 + k >= n)
        return 'X';
      else
        return '.';
    }
  } else {
    if (x == n) return 'X';
    return solve(n - 1, k - 1, x);
  }
}
int main() {
  long long n, k, x;
  int q;
  while (cin >> n >> k >> q) {
    while (q--) {
      cin >> x;
      cout << solve(n, k, x);
    }
  }
  return 0;
}
