#include<iostream>
using namespace std;
int main(int argc, char**argv){
    int marks;
    cin>>marks;
    
    if(marks>90)
    cout<<"excellent";
    else if(marks>80 && marks<=90)
    cout<<"good";
    else if(marks>70 && marks<=80)
    cout<<"fair";
    else if(marks>60 && marks<=70)
    cout<<"meets expectations";
    else
    cout<<"below par";
    return 0;
    
}