long long n,a,b,c; cin>>n>>a>>b>>c; if(n<a&&n<b&&n<c){ if(a>b&&a>c) cout<<"library"; else if(b>a&&b>c) cout<<"comprehensive"; else if(c>a&&c>b) cout<<"art"; } else if(n>a&&n<b&&n<c){ if(b>c) cout<<"comprehensive"; else if(c>b) cout<<"art"; } else cout<<"art";