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;
long long read() {
  long long ans = 0;
  char ch = getchar();
  while (ch >= '0' && ch <= '9')
    ans = (ans << 3) + (ans << 1) + ch - '0', ch = getchar();
  return ans;
}
long long ans(long long pos) {
  long long res = 1, nn = n;
  if (n == pos) {
    return 1;
  }
  if (n & 1) {
    res++;
    nn--;
  }
  res = res + ((nn - pos) >> 1);
  return pos & 1 ? res + (nn >> 1) : res;
}
int main() {
  n = read();
  k = read();
  p = read();
  for (int i = 0; i < p; i++) {
    printf("%c", ans(read()) > k ? '.' : 'X');
  }
}
