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 x, n, k;
int i, p;
int main() {
  cin >> n >> k >> p;
  if (k == 0) {
    for (i = 0; i < p; i++) {
      cout << '.';
    }
    return 0;
  }
  if (n and 1) {
    n--;
    k--;
  }
  for (i = 0; i < p; i++) {
    cin >> x;
    if ((x > n) or (!(x and 1) and (x >= n - 2 * k + 2)) or
        ((x and 1) and (x >= 2 * n - 2 * k + 1))) {
      cout << 'X';
    } else {
      cout << '.';
    }
  }
  return 0;
}
