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;
const int N = 500;
char getCharEven(long long n, long long k, long long t) {
  if (2 * k <= n) {
    if (t <= n - 2 * k)
      return '.';
    else {
      if (t % 2 == 0)
        return 'X';
      else
        return '.';
    }
  } else {
    long long kop = k - n / 2;
    if (t <= n - kop * 2) {
      if (t % 2 == 0)
        return 'X';
      else
        return '.';
    } else
      return 'X';
  }
}
int main() {
  long long n, k, p;
  cin >> n >> k >> p;
  for (int i = 0; i < p; i++) {
    long long t;
    cin >> t;
    if (k == 0)
      cout << '.';
    else {
      if (t == n)
        cout << 'X';
      else {
        if (n % 2 == 0)
          cout << getCharEven(n, k, t);
        else
          cout << getCharEven(n - 1, k - 1, t);
      }
    }
  }
  return 0;
}
