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, x;
int p;
int main() {
  scanf("%I64d%I64d", &n, &k);
  scanf("%d", &p);
  for (int i = 0; i < p; i++) {
    scanf("%I64d", &x);
    if (k == 1) {
      if (x == n)
        printf("X");
      else
        printf(".");
    } else if (k == 2) {
      if ((n - k) % 2 == 0) {
        if (x == n || x == (n - 2))
          printf("X");
        else
          printf(".");
      } else {
        if (x == n || x == (n - 1))
          printf("X");
        else
          printf(".");
      }
    } else {
      if (x >= (n - 2 * k + 2) && (x - (n - 2 * k + 2)) % 2 == 0)
        printf("X");
      else
        printf(".");
    }
  }
  printf("\n");
  return 0;
}
