#include <iostream>
using namespace std;
 
int
main()
{
    int bb;
    cout<<"Uspjeh"<<endl;
    cin>>bb;
 
    if ((bb>=0)&&(bb<=60))
    {cout<<"Nedovoljan"<<endl; cout<<endl;}
 
    else if ((bb>=61)&&(bb<=70))
    {cout<<"Dovoljan"<<endl; cout<<endl;}
 
    else if ((bb>=71)&&(bb<=80))
    {cout<<"Dobar"<<endl; cout<<endl;}
     
    else if ((bb>=81)&&(bb<=90))
    {cout<<"Vrlodobar"<<endl; cout<<endl;}
     
    else if ((bb>=91)&&(bb<=100))
    {cout<<"Odlican"<<endl; cout<<endl;}
 

    return 0;
}