import java.util.*;
public class Main{
    public static void main(String[]args){
        Scanner scn=new Scanner(System.in);
        String s1=scn.nextLine();
        String s2=scn.nextLine();
        if(s1.isEmpty()||s2.isEmpty()||s1.length()!=s2.length()){
            System.out.print("Invalid input");
            return;
        }
       
        for(char a1:s1.ToCharArray()){
            if(!(a1>='a'&&a1<='z')){
                 System.out.print("Invalid input");
            return;
            }
        }
        for(char a2:s2.ToCharArray()){
            if(!(a2>='a'&&a2<='z')){
                 System.out.print("Invalid input");
            return;
            }
        }

Arrays.sort(a1);
Arrays.sort(a2);
if(Arrays.equals(a1,a2)){
    System.out.print("Anagram");
}
else{
    System.out.print("Not Anagram");
}
    }
}