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() {
  long long n;
  int k, q;
  scanf("%lld%d%d", &n, &k, &q);
  for (int i = 0; i < q; i++) {
    long long x;
    scanf("%lld", &x);
    if (x % 2 == 0) {
      long long x2 = x / 2;
      long long num = n / 2;
      if (num - x2 < k)
        printf("X");
      else
        printf(".");
    } else {
      long long num = n / 2;
      int kk = k - num;
      int num2 = n - n / 2;
      int num3 = (x + 1) / 2;
      int num4 = num2 - num3;
      if (num4 < kk)
        printf("X");
      else
        printf(".");
    }
  }
}
