#include<iostream>
using namespace std;
int a[10000005],n;
int main(){
	cin>>n;
	for(int i=0;i<n;i++)
		cin>>a[i];
	for(int i=0;i<n;i++){
		if(a[i]==1||a[i]==n-1){
			cout<<endl<<"Jolly"<<endl;
			break;
		}
		else{
			cout<<endl<<"Not jolly"<<endl;
			break;
		}
	}
	return 0;
}