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() {
  scanf("%I64d%I64d%I64d", &n, &k, &p);
  long long a = n - k, b = k;
  while (p--) {
    long long x;
    scanf("%I64d", &x);
    if (a <= b) {
      int s = b - a;
      x = n - x + 1;
      if (x <= s)
        printf("X");
      else if ((x - s) % 2 == 1)
        printf("X");
      else
        printf(".");
    } else {
      int s = (a - b);
      if (b >= 1 && (s & 1)) {
        s++;
        if (x <= s)
          printf(".");
        else if (x == n)
          printf("X");
        else if ((x - s) & 1)
          printf(".");
        else
          printf("X");
      } else {
        if (x <= s)
          printf(".");
        else if ((x - s) & 1)
          printf(".");
        else
          printf("X");
      }
    }
  }
  return 0;
}
