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;
  cin >> n >> m >> p;
  while (p--) {
    long long pos;
    cin >> pos;
    pos--;
    bool stu = m > (n + (n & 1)) / 2;
    if (stu) {
      if (pos & 1 || pos >= (n - m) * 2)
        printf("X");
      else
        printf(".");
    } else {
      if ((n & 1) == 0) {
        if ((pos & 1) && pos >= (n - m * 2) + 1)
          printf("X");
        else
          printf(".");
      } else {
        if (m && (((pos & 1) && pos >= n - (m - 1) * 2) || pos == n - 1))
          printf("X");
        else
          printf(".");
      }
    }
  }
  return 0;
}
