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>
int main() {
  long long n, k, a, b;
  int q;
  scanf("%lld %lld %d", &n, &k, &q);
  if (k <= 1)
    a = n - k, b = 0;
  else if (n - k <= k)
    a = 1, b = n - k - 1;
  else if (!(n & 1))
    a = n - 2 * k + 1, b = k - 1;
  else if (k > 1)
    a = n - 2 * k + 2, b = k - 2;
  while (q--) {
    long long t;
    scanf("%lld", &t);
    if (t <= a)
      printf(".");
    else {
      t -= a;
      if (t <= 2 * b && !(t & 1))
        printf(".");
      else
        printf("X");
    }
  }
  return 0;
}
