UVA 10038

#include <iostream>
#include <sstream>
#include <cstdio>
#include <cstring>
#include <cmath>
#include <string>
#include <vector>
#include <set>
#include <cctype>
#include <algorithm>
#include <cmath>
#include <deque>
#include <queue>
#include <map>
#include <stack>
#include <list>
#include <iomanip>
using namespace std;
///
#define INF 0xffffff7
#define maxn 1010
///
bool vis[3010];
int  nums[3010];
//char in[3010];
int main()
{
freopen("F:\\input.txt","r",stdin );
///
int i, j;
int num;
string input;
while (1)
{
getline(cin, input);
if (input == "")
break;
istringstream stream(input);
memset(vis, 0, sizeof(vis));
memset(nums, 0, sizeof(nums));
stream >> num;
for (i = 0; i < num; i++)
{
stream >> nums[i];
if (i != 0)
vis[abs(nums[i] - nums[i - 1])] = true;
}
for (i = 1; i <= num - 1; i++)
{
if (!vis[i])
break;
}
if (i == num)
cout << "Jolly" << endl;
else
cout << "Not jolly" << endl;
}

///
return 0;

}