1 #include<iostream>
2 #include<set>
3 #include<stdio.h>
4 using namespace std;
5
6 int my_abs(int);
7 int main()
8 {
9 //freopen("acm.acm","r",stdin);
10 int num;
11 int i;
12 int * a;
13 set<int> coll;
14 while(cin>>num)
15 {
16 a = new int[num];
17 for(i = 0; i < num; ++ i)
18 {
19 cin>>a[i];
20 }
21 for(i = 0; i < num - 1; ++ i)
22 {
23 coll.insert(my_abs(a[i] - a[i+1]));
24 }
25 if((coll.size() == num - 1&&*coll.begin() == 1 && *coll.rbegin() == num - 1||num == 1))
26 cout<<"Jolly"<<endl;
27 else
28 cout<<"Not jolly"<<endl;
29 coll.clear();
30 delete[] a;
31 }
32 }
33 int my_abs(int num)
34 {
35 if(num >= 0)
36 return num;
37 else
38 return num * (-1);
39
40 }
