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;
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cin >> n >> k >> p;
  while (p--) {
    long long x;
    cin >> x;
    if (!k) {
      cout << '.';
    } else if (n & 1 ^ 1) {
      if (k <= n / 2) {
        if (x < (n - 2 * k + 1))
          cout << '.';
        else if (x & 1)
          cout << '.';
        else
          cout << 'X';
      } else {
        long long t = k - n / 2;
        if (x >= (n - 2 * t))
          cout << 'X';
        else if (x & 1)
          cout << '.';
        else
          cout << 'X';
      }
    } else {
      if (k == 1) {
        if (x == n)
          cout << 'X';
        else
          cout << '.';
      } else if (k == 2) {
        if (x == n || x == n - 1)
          cout << 'X';
        else
          cout << '.';
      } else {
        if (x == n || x == n - 1)
          cout << 'X';
        else {
          long long kk = k - 1;
          long long nn = n - 1;
          if (kk <= nn / 2) {
            if (x < (nn - 2 * kk + 1))
              cout << '.';
            else if (x & 1)
              cout << '.';
            else
              cout << 'X';
          } else {
            long long t = kk - nn / 2;
            if (x >= (nn - 2 * t))
              cout << 'X';
            else if (x & 1)
              cout << '.';
            else
              cout << 'X';
          }
        }
      }
    }
  }
  cout << '\n';
  return 0;
}
