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>
long long int n, k, pos, sep, st;
int NQ, half, AC;
int main() {
  scanf("%I64d%I64d%d", &n, &k, &NQ);
  if (n % 2 == 0) {
    if (k >= n / 2) {
      k -= n / 2;
      sep = n - 2 * k;
      half = 1;
    } else {
      if (k == 0)
        st = n + 1;
      else
        st = n + 2 - 2 * k;
    }
  } else {
    if (k > n / 2) {
      k -= (n + 1) / 2;
      sep = n - 1 - 2 * k;
      half = 1;
    } else {
      if (k == 0)
        st = n + 1;
      else if (k == 1)
        st = n;
      else if (k == 2)
        st = n - 1;
      else
        st = n - 1 - 2 * (k - 2);
    }
  }
  for (int i = 0; i < NQ; i++) {
    scanf("%I64d", &pos);
    AC = 0;
    if (half) {
      if (pos % 2 == 0 || pos >= sep) AC = 1;
    } else {
      if (pos >= st && (pos % 2 == 0 || (n % 2 == 1 && pos == n && n % 2 == 1)))
        AC = 1;
    }
    if (AC)
      printf("X");
    else
      printf(".");
  }
  printf("\n");
  return 0;
}
