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, k;
  int p, a;
  char ans[1010];
  cin >> n >> k >> p;
  for (int i = 0; i < p; i++) {
    scanf("%d", &a);
    if (n & 1) {
      if (a == n) {
        ans[i] = 'X';
        continue;
      }
      if (a & 1) {
        if (n >= ((a + 1) >> 1) + k)
          ans[i] = '.';
        else
          ans[i] = 'X';
      } else {
        if ((n / 2 + 1 - a / 2) >= k)
          ans[i] = '.';
        else
          ans[i] = 'X';
      }
    } else {
      if (a & 1) {
        if ((a + 1) / 2 + k <= n)
          ans[i] = '.';
        else
          ans[i] = 'X';
      } else {
        if (n / 2 - a / 2 >= k)
          ans[i] = '.';
        else
          ans[i] = 'X';
      }
    }
  }
  ans[p] = '\0';
  cout << ans << endl;
  return 0;
}
