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;
const long long lim = 1e5 + 100;
long long Count, n, m, Vis[lim], a, b, x, k, p;
int main() {
  cin >> n >> k >> p;
  if (n % 2 == 0) {
    while (p--) {
      cin >> x;
      if ((n - x) % 2 == 1)
        cout << ".";
      else if ((n - x) / 2 + 1 > k)
        cout << ".";
      else
        cout << "X";
    }
  } else {
    while (p--) {
      cin >> x;
      if (x == n)
        cout << "X";
      else {
        k--, n--;
        if ((n - x) % 2 == 1)
          cout << ".";
        else if ((n - x) / 2 + 1 > k)
          cout << ".";
        else
          cout << "X";
        k++, n++;
      }
    }
  }
  return 0;
}
