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;
char gao(long long place) {
  if (n == k) {
    return 'x';
  }
  long long halfx = (n + 1) >> 1;
  if (k >= halfx) {
    if (place & 1) {
      return 'x';
    } else {
      long long until = n - 1 - 2 * (k - halfx);
      return place >= until ? 'x' : '.';
    }
  } else {
    if (place & 1) {
      long long until = 2 * (halfx - k) + 1;
      return place >= until ? 'x' : '.';
    } else {
      return place == n - 1 ? 'x' : '.';
    }
  }
}
int main() {
  int p;
  for (int i = 0; i < p; ++i) {
    long long place;
    cin >> place;
    putchar(gao(place - 1));
  }
  puts("");
  return 0;
}
