View Code of Problem 272

#include<iostream>
#include<algorithm>
using namespace std;
int main(){
	string s,s1;
	while(cin>>s&&s!="#"){
		s1=s;
		next_permutation(s.begin(),s.end());
		sort(s1.begin(),s1.end());
		if(s==s1)
		cout<<"No Successor"<<endl;
		else
		cout<<s<<endl;
	}
}