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, p;
  cin >> n >> k >> p;
  if (n % 2ll == 0) {
    long long lasteven = n + 1, lastodd = n + 1;
    if (k > 0) lasteven = max(2ll, n - (k - 1ll) * 2ll);
    k -= (n / 2ll);
    n--;
    if (k > 0ll) lastodd = max(1ll, n - (k - 1ll) * 2ll);
    while (p--) {
      long long x;
      cin >> x;
      if (x % 2 == 0) {
        if (x >= lasteven)
          cout << "X";
        else
          cout << ".";
      } else {
        if (x >= lastodd)
          cout << "X";
        else
          cout << ".";
      }
    }
  } else {
    long long lasteven = n + 1, lastodd = n + 1;
    if (k > 0ll) lastodd = n, --k;
    --n;
    if (k > 0ll) lasteven = max(2ll, n - (k - 1ll) * 2ll);
    k -= (n / 2ll);
    n--;
    if (k > 0ll) lastodd = max(1ll, n - (k - 1ll) * 2ll);
    while (p--) {
      long long x;
      cin >> x;
      if (x % 2 == 0) {
        if (x >= lasteven)
          cout << "X";
        else
          cout << ".";
      } else {
        if (x >= lastodd)
          cout << "X";
        else
          cout << ".";
      }
    }
  }
  return 0;
}
