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>
#pragma comment(linker, "/STACK:134217728")
using namespace std;
template <class T>
T abs(T x) {
  return x > 0 ? x : -x;
}
int n;
int m;
int main() {
  long long n, k, p;
  cin >> n >> k >> p;
  long long e = n - k;
  for (int i = 0; i < (p); i++) {
    int x;
    cin >> x;
    x--;
    if (k == 0) {
      cout << '.';
      continue;
    }
    if (k == n) {
      cout << 'X';
      continue;
    }
    if (k == 1) {
      if (x == n - 1)
        cout << 'X';
      else
        cout << '.';
      continue;
    }
    if (k > n / 2) {
      if (x < 2 * e && x % 2 == 0)
        cout << '.';
      else
        cout << 'X';
    } else {
      long long ee = n - k - k + 1;
      int f = ee % 2;
      long long xx = n - 1 - x;
      if (f == 0) {
        if (xx < 2)
          cout << 'X';
        else if (xx < 2 * k - 2) {
          if (xx % 2)
            cout << 'X';
          else
            cout << '.';
        } else
          cout << '.';
      } else {
        if (xx < 2 * k) {
          if (xx % 2)
            cout << '.';
          else
            cout << 'X';
        } else
          cout << '.';
      }
    }
  }
  cout << endl;
  return 0;
}
