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 n, k, p;
int main() {
  while (scanf("%I64d%I64d%I64d", &n, &k, &p) == 3) {
    long long mm = min(n - k, k);
    for (int i = 0; i < p; i++) {
      long long x;
      scanf("%lld", &x);
      if (mm > (n - k + 1) / 2) {
        if (n - 2 * mm - (k - mm) >= x)
          putchar('.');
        else if ((x - (n - 2 * mm - (k - mm)) & 1) && x <= mm + n - k)
          putchar('.');
        else
          putchar('X');
      } else {
        if (x <= n - k)
          putchar('.');
        else
          putchar('X');
      }
    }
  }
  return 0;
}
