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;
int main() {
  freopen("in.txt", "r", stdin);
  freopen("out.txt", "w", stdout);
  int p, i;
  long long n, k, x, y;
  cin >> n >> k >> p;
  y = k * 2 + 1 - n;
  for (i = 0; i < p; i++) {
    cin >> x;
    if (n > k * 2) {
      if ((n - k * 2) % 2) {
        if (x <= n - k * 2 + 1)
          printf(".");
        else if (x == n)
          printf("X");
        else if (x % 2 == (n - 1) % 2)
          printf("X");
        else
          printf(".");
      } else {
        if (x <= n - k * 2)
          printf(".");
        else if (x % 2 == n % 2)
          printf("X");
        else
          printf(".");
      }
    } else if (n == k)
      printf("X");
    else {
      if (x <= 2 * k + 1 - 2 * y) {
        if (x % 2 == 1)
          printf(".");
        else
          printf("X");
      } else
        printf("X");
    }
  }
  return 0;
}
