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

#!/usr/bin/env python3

n, k, p = map(int, input().strip().split())

if k == 0:
    ak = 0
    an = n
else:
    ak = k - 1 if n % 2 == 1 else k
    an = n - (n % 2)

ans = ''
for i in range(p):
    v = int(input().rstrip())
    if k == 0:
        print(0)
    else:
        if v == n:
            print('X', end='')
        else:
            idx = (an - v) / 2
            idx += (v % 2) * (an / 2)
            if idx >= ak:
                print('.', end='')
            else:
                print('X', end='')
