#include <bits/stdc++.h>
using namespace std;
const int N=1e5+10;
int a[N];
int main(){
	int n,a,b,c,mins;
	cin>>n>>a>>b>>c;
	if(n>5 && n<=9) cout<<"art";
	else{
		if(n>3 && n<=5) cout<<"comprehensive";
		else{
			if(a<b && a<c) cout<<"library";
			if(c<a && c<b) cout<<"art";
		}
	}
	return 0;
}

第四个测试点未过