#include<iostream>
#include<string>
#include<algorithm>
#include<cctype>
using namespace std;
bool isvalid(const string &s){
    if(s.empty())return false;
    for(char ch:s){
        if(!isalpha(ch)){
            return false;
        }
    }
    return true;
}
int main(){
    string s1,s2;
    getline(cin,s1);
    getline(cin,s2);
    if(!isvalid(s1)||!isvalid(s2)){
        cout<<"Invalid input";
        return 0;
    }
    for(char &ch :str1) ch=tolower(ch);
    for(char &ch :str2) ch=tolower(ch);
    if(s1==s2)
    cout<<"Anagrams";
    else
    cout<<"Nit Anagrams";
    return 0;

}