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

import java.util.Scanner;


public class Main {
	public static void main(String[] args) {
		Scanner r = new Scanner(System.in);
		
		long n = r.nextLong();
		long k = r.nextLong();
		int p = r.nextInt();
		
		for(int i = 0; i < p; i++){
			long x = r.nextLong()-1;
			
			if(k == 0)System.out.print('.');
			else if(k == n)System.out.print('X');
			else{
				if(n%2 == 0){
					if(x%2 == 0){
						if(k <= n/2)System.out.print('.');
						else if(n/2-x/2 <= k-n/2)System.out.print('X');
						else System.out.print('.');
					}else{
						if(k >= n/2)System.out.print('X');
						else if(n/2-x/2 <= k)System.out.print('X');
						else System.out.print('.');
					}
				}else{
					if(x == n-1)System.out.print('X');
					else{
						if(k == 1)System.out.print('.');
						else{
							long kk = k;
							long nn = n;
							
							k--;
							n--;
							
							if(x%2 == 0){
								if(k <= n/2)System.out.print('.');
								else if(n/2-x/2 <= k-n/2)System.out.print('X');
								else System.out.print('.');
							}else{
								if(k >= n/2)System.out.print('X');
								else if(n/2-x/2 <= k)System.out.print('X');
								else System.out.print('.');
							}
							
							n = nn;
							k = kk;
						}
					}
				}
			}
		}
	}
}
