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.*;
public class Main
{
	public static void main(String args[])
	{
		Scanner scan = new Scanner(System.in);
		long n = scan.nextLong();
		long k = scan.nextLong();
		int p = scan.nextInt();
		long[] ar = new long[p];
		if(n<2*k)
		{
			for(int i=0;i<p;i++)
			{
				if((long)ar[i]<=n-k) System.out.println(".");
				else System.out.println("X");
			}
		}
		else
		{
			long temp = n - (n-k)/2;
			for(int i=0;i<p;i++)
			{
				if((long)ar[i]>temp) System.out.println("X");
				else
				{
					if(ar[i]%2==1) System.out.println(".");
					System.out.println("X");
				}
				
			}
		}
	}
}