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;
bool Check(long long N, long long M, long long X) {
  if (X > N) return true;
  if (M <= N / 2) return !(X & 1) && (X > N - M * 2);
  return !(X & 1) || (X > (N - M) * 2);
}
int main() {
  long long N, M, Query;
  cin >> N >> M >> Query;
  if (!M) {
    while (Query--) putchar('.');
    putchar('\n');
    return 0;
  }
  if (N & 1) {
    N--;
    M--;
  }
  while (Query--) {
    long long X;
    cin >> X;
    putchar(Check(N, M, X) ? 'X' : '.');
  }
  putchar('\n');
  return 0;
}
