public class anelidos{
    public static void main(String [] args )
    {
        int n;
        String s,temp;
        Scanner sc=new Scanner(System.in);
        n=sc.nextInt();
        while( n>0 && sc.hasNext());
       {


            s=sc.next();
            s=s.substring(0,s.length()-1);
            for(int i=0;i<n;i++)
            {

                    temp=s;
                    temp=temp.replace('N', 'K');
                    temp=temp.replace('A', 'N');
                    temp=temp.replace('K', 'A');
                   // System.out.println(s);
                    s=s+reverse(temp);


            }
            System.out.println(s+"C");
            n=sc.nextInt();
        }

    }
    public static String reverse(String s)
    {
        int left=0,right=s.length()-1;
       char[]a= s.toCharArray();
       char temp;
        while(left<right)
        {
            temp=a[left];
            a[left]=a[right];
            a[left]=temp;
            left++;
            right--;
        }
        return new String(a);
    }
}