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>
long long n, k, p;
int main() {
  scanf("%I64d%I64d%I64d", &n, &k, &p);
  for (int i = 0; i < p; i++) {
    long long x;
    scanf("%I64d", &x);
    if (k == 0) {
      printf(".");
      continue;
    }
    if (!(n & 1)) {
      if (k <= n / 2) {
        if (x & 1)
          printf(".");
        else {
          long long p1 = n - (k - 1) * 2;
          if (x >= p1)
            printf("X");
          else
            printf(".");
        }
      } else {
        if (!(x & 1))
          printf("X");
        else {
          long long p1 = n - 1 - (k - n / 2 - 1) * 2;
          if (x >= p1)
            printf("X");
          else
            printf(".");
        }
      }
    } else {
      if (k == 1) {
        if (x == n)
          printf("X");
        else
          printf(".");
      } else if (k <= (n + 1) / 2) {
        long long p1 = n - (k - 1) * 2;
        long long p2 = n - 1;
        if (x >= p2)
          printf("X");
        else {
          if (x & 1)
            printf(".");
          else {
            if (x >= p1)
              printf("X");
            else
              printf(".");
          }
        }
      } else {
        long long p1 = n - 2 - (k - (n + 1) / 2 - 1) * 2;
        long long p2 = n - 1;
        if (x >= p2)
          printf("X");
        else {
          if (!(x & 1))
            printf("X");
          else {
            if (x >= p1)
              printf("X");
            else
              printf(".");
          }
        }
      }
    }
  }
  puts("");
}
