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;
int main() {
  long long n, k, p;
  cin >> n >> k >> p;
  long long a[p];
  for (int i = 0; i < p; i++) cin >> a[i];
  long long u = n / 2;
  if (n % 2 == 1) u++;
  if (k >= u) {
    long long x = n - k;
    for (int i = 0; i < p; i++) {
      if (a[i] > 2 * x)
        cout << "X";
      else if (a[i] % 2 == 1)
        cout << ".";
      else {
        cout << "X";
      }
    }
  } else {
    long long x = n - k;
    for (int i = 0; i < p; i++)
      if (a[i] > x)
        cout << "X";
      else {
        cout << ".";
      }
  }
  cout << endl;
  return 0;
}
