#include<bits/stdc++.h>
using namespace std;
int main(){
	int n;
	int a,b,c;
	cin>>n;
	cin>>a>>b>>c;
	if(n>3){
		if(b>c){
			cout<<"art";
			return 0;
		}
		else{
			cout<<"comprehensive";
			return 0;
		}
	}
	if(n>5){
		cout<<"art";
		return 0;
	}
	else{
		if(a<b&&a<c){
			cout<<"library";
			return 0;
		}
		if(b<a&&b<c){
			cout<<"comprehensive";
			return 0;
		}
		if(c<a&&c<b){
			cout<<"art";
			return 0;
		}
	}
}