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, m, p, t;
  cin >> n >> m >> p;
  if (m == 0) {
    while (p--) {
      cin >> t;
      cout << '.';
    }
  } else if (m == 1) {
    while (p--) {
      cin >> t;
      if (t < n)
        cout << '.';
      else
        cout << 'X';
    }
  } else {
    n -= m;
    long long t1 = min(m - 1, n);
    long long t3 = m - t1 - 1;
    if ((n - t1) % 2 == 0) {
      t1--;
      t3++;
      n = n - t1;
    } else {
      n -= t1;
    }
    t1++;
    while (p--) {
      cin >> t;
      if (t < n)
        cout << '.';
      else {
        t -= n - 1;
        if (t <= t1 * 2) {
          if (t % 2 == 0)
            cout << 'X';
          else
            cout << '.';
        } else
          cout << 'X';
      }
    }
  }
  return 0;
}
