#include <bits/stdc++.h>
using namespace std;

signed main(){
  int n;
  cin>>n;
  int sum=0;
  for(int i=0;i<n;i++){
    int x;
    cin>>x;
    sum+=x;
  }
  double cnt1=(double)sum/(double)n;
  if(cnt1==3){
    cout<<"None";
  }else if(cnt1==5){
    cout<<"Named";
  }else if(cnt1>=4.5 && cnt1!=5){
    cout<<"High";
  }else if(cnt1!=3 && cnt1!=5 && cnt1<4.5){
    cout<<"Common";
  }
}
getting a wrong answer on test 8