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 <iostream>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cmath>
using namespace std;

int main() {
        //freopen("output.txt","w",stdout);
        //freopen("input.txt","r",stdin);
        __int64 n, k, p, a;
        cin >> n >> k >> p;
        if(2*k>=n) {
                while(p--) {
                        cin >> a;
                        if(a>2*(n-k))
                                cout << 'X';
                        else if(a%2)
                                cout << '.';
                        else
                                cout << 'X';
                }
        }
        else if (n%2&&k==2){
                while(p--) {
                        cin >> a;
                        if(a<=n-k)
                                cout << '.';
                        else
                                cout << 'X';
                }
        }
        else {
                while(p--) {
                        cin >> a;
                        if(a<=n-2*k)
                                cout << '.';
                        else if((a-n+2*k)%2)
                                cout << '.';
                        else
                                cout << 'X';
                                
                }
        }
        //getchar();
        //getchar();
        return 0;
}
