#include<bits/stdc++.h>
using namespace std;
int main()
{
string x,s ,mx=x;
cin>>x;
long long v=x.size() ;
for (long long i=1 ;i<=v ;i++)
{
s=x;
x="";
for (long long j=1 ;j<v ;j++)
x+=s[j] ;
x+=s[0] ;
if (x>mx)mx=x;
}
cout << mx << endl ;
return 0;
}
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