#include<iostream>
#include<iomanip>
#include<bits/stdc++.h>
#include<string>
using namespace std;
int main(){
    float n, k;
    int mark, a;
    a=0;
    k=0;

    cin >> n;
    for(int i=0; i<n; i++){
        cin >> mark;
        a+=mark;
    }
    cout << fixed;
    cout << setprecision(1);
    k+=a/n;

        if(a%5==0 && mark>=5){
            cout <<"Named" << endl;
        }
        else if(mark>3 && k>=4.5){
            cout <<"High"<<endl;
        }
        else if(mark<=3){
            cout <<"None" << endl;
        }
        else{
            cout << "Common" << endl;
        }

return 0;
}