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;
int p;
char calc(long long x, long long dot, long long cnt) {
  if (dot > x) {
    long long rem = dot - x;
    if (rem % 2) rem++;
    dot -= rem;
    if (cnt <= rem) return '.';
    cnt -= rem;
  }
  if (cnt > 2 * dot) return 'X';
  return (cnt % 2 ? '.' : 'X');
}
int main() {
  while (cin >> n >> k >> p) {
    long long tmp;
    for (int i = 0; i < p; i++) {
      cin >> tmp;
      cout << calc(k, n - k, tmp);
    }
    cout << endl;
  }
  return 0;
}
