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;
void even(int n, int k, int x) {
  if (n % 2 == 0) {
    if (x % 2 == 0) {
      long long cnt = (n + 1ll) / 2ll + (n - x) / 2ll;
      if (cnt > k)
        cout << ".";
      else
        cout << "X";
    } else {
      long long cnt = (n - x + 1ll) / 2ll;
      if (cnt > k)
        cout << ".";
      else
        cout << "X";
    }
  }
}
void oku() {
  long long n, k, p;
  cin >> n >> k >> p;
  long long old = n;
  while (p--) {
    long long x;
    cin >> x;
    x--;
    if (k == 0) {
      cout << ".";
      continue;
    }
    if (n % 2 == 0) {
      even(n, k, x);
    } else {
      if (n == x + 1)
        cout << "X";
      else
        even(n - 1, k - 1, x);
    }
  }
}
int main() {
  oku();
  return 0;
}
