#include <bits/stdc++.h>   using namespace std;   string nb;   int main() {     int N;     cin >> N;     cin >> nb;     string m;     m.append(N,  9 );     string act = nb;     for (int shift = 0; shift < N; shift++) {       for (int p = 0; p <= 9; p++) {         m = min(m, act);         for (int i = 0; i < N; i++) act[i] = ((act[i] -  0  + 1) % 10 +  0 );       }       char first = act[0];       for (int i = 1; i < N; i++) act[i - 1] = act[i];       act[N - 1] = first;     }     cout << m << endl;     return 0;   }   