井字棋

import java.util.*;
public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        String[] s1 = sc.nextLine().split(" ");
        String[] s2 = sc.nextLine().split(" ");
        String[] s3 = sc.nextLine().split(" ");
        Set<String> s = new HashSet<>();
        s.add(s1[0] + s1[1] + s1[2]);
        s.add(s2[0] + s2[1] + s2[2]);
        s.add(s3[0] + s3[1] + s3[2]);

        s.add(s1[0] + s2[1] + s3[2]);
        s.add(s1[2] + s2[1] + s3[0]);

        s.add(s1[0] + s2[0] + s3[0]);
        s.add(s1[1] + s2[1] + s3[1]);
        s.add(s1[2] + s2[2] + s3[2]);

        if(s.contains("KKK")) System.out.println("KiKi wins!");
        else if(s.contains("BBB")) System.out.println("BoBo wins!");
        else System.out.println("No winner!");
    }
}