import java.util.Scanner;


public class A380 {
    public static void main(String agrs[]){
        Scanner sys=new Scanner(System.in);
        String input=sys.next();
        String[] part=input.split("(?<=\\d)(?=\\D)");
        int num=Integer.parseInt(part[0]);
        if(num==1 || num==2){
            if(part[1].equals("A")||part[1].equals("D"))
                System.out.println("window");
            else if(part[1].equals("B")||part[1].equals("C"))
                System.out.println("aisle");

        }
        else if(num>=3 && num<=20){
            if(part[1].equals("A")||part[1].equals("F"))
                System.out.println("window");
            else if(part[1].equals("B")||part[1].equals("C") || part[1].equals("D")||part[1].equals("E"))
                System.out.println("aisle");

        }
        else
            if(num>=21 && num<=65){
            if(part[1].equals("A")||part[1].equals("K"))
                System.out.println("window");
            else if(part[1].equals("C")||part[1].equals("D") || part[1].equals("H")||part[1].equals("G"))
                System.out.println("aisle");
            else if(part[1].equals("B")||part[1].equals("E") || part[1].equals("F")||part[1].equals("J"))
                System.out.println("niether");
        }

    }

}

My solve: its really long code
http://ideone.com/4l4WyP