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;
int p;
bool tac;
bool more;
char Ans(long long a) {
  if (!tac) {
    if (a > n - k)
      return 'X';
    else
      return '.';
  } else {
    if (more) {
      if (a > 2 * (n - k))
        return 'X';
      else {
        if (a % 2 == 1)
          return '.';
        else
          return 'X';
      }
    }
    if (a <= n - 2 * k) return '.';
    if ((a - (n - 2 * k)) % 2 == 1)
      return '.';
    else
      return 'X';
  }
}
void Inputdata() {
  tac = false;
  more = false;
  cin >> n >> k >> p;
  if (2 * k > n) {
    more = true;
    tac = true;
  } else {
    if (k > 2)
      tac = true;
    else
      tac = false;
  }
  for (int i = 0; i < p; i++) {
    long long a;
    cin >> a;
    cout << Ans(a);
  }
}
void Gen(int a, int b) {
  cout << a << ' ' << b << ':' << endl;
  for (int i = 0; i < n; i++) cout << Ans(i + 1);
  cout << endl;
}
int main() {
  Inputdata();
  return 0;
}
