> #include<iostream>
> #include<string>
> #include<algorithm>
> 
> int main()
> {
> 	std::ios::sync_with_stdio(false);
> 	for(std::string s;std::cin>>s&&s!="#";)
> 		if(std::next_permutation(s.begin(),s.end()))
> 			std::cout<<s<<std::endl;
> 		else
> 			std::cout<<"No Successor"<<std::endl;
> 	return 0;
> }