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, x;
  while (cin >> n >> k >> p) {
    for (int i = 0; i < p; i++) {
      cin >> x;
      x = n - x + 1;
      if ((n & 1) || k > (n >> 1)) {
        if (x > k)
          printf(".");
        else
          printf("X");
      } else {
        if ((x & 1) == 0 || (x + 1 >> 1) > k)
          printf(".");
        else
          printf("X");
      }
    }
    puts("");
  }
}
