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, q, n1, k1;
  int p;
  scanf("%I64d %I64d %d", &n1, &k1, &p);
  for (int i = 0; i < p; i++) {
    n = n1;
    k = k1;
    scanf("%I64d", &q);
    if (k == 0) {
      printf(".");
      continue;
    }
    if (q == n) {
      printf("X");
      continue;
    }
    if (n & 1) {
      n--;
      k--;
    }
    if (!(q & 1)) {
      if (n - (k << 1) < q)
        printf("X");
      else
        printf(".");
    } else {
      if (n > (k << 1))
        printf(".");
      else {
        k -= (n >> 1);
        if (n - (k << 1) < q)
          printf("X");
        else
          printf(".");
      }
    }
  }
  printf("\n");
  return 0;
}
