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, x;
int main() {
  cin >> n >> k >> p;
  while (p--) {
    cin >> x;
    if (k == 0) {
      cout << '.';
      continue;
    }
    if (n % 2 == 0) {
      if (x % 2 == 0 && k >= (n - x + 2) / 2)
        cout << "X";
      else if (x % 2 == 1 && k >= n / 2 + (n - x + 1) / 2)
        cout << "X";
      else
        cout << ".";
    }
    if (n % 2 == 1) {
      if (x == n) {
        cout << "X";
        continue;
      }
      n--;
      k--;
      if (x % 2 == 0 && k >= (n - x + 2) / 2)
        cout << "X";
      else if (x % 2 == 1 && k >= n / 2 + (n - x + 1) / 2)
        cout << "X";
      else
        cout << ".";
      n++;
      k++;
    }
  }
  return 0;
}
