for(int i = 0 ; i < len-1 ; i++){
int check = abs( sequence[i] - sequence[i+1]) ;
if(check >= 1 && check < len) continue ;
else {
cout << "Not jolly" <<endl ;
return false ; }
}
cout << "Jolly " <<endl ;
return true ;
}
void printarray(int a[], int len){
//cout << "printing array " <<endl ;
for(int i = 0 ; i < len ; i++){
cout << a[i] << " " ;
}
cout <<endl ;
}
int main()
{
int n ;
while( (cin >> n ) != 0 ){
int sequence[n] ;
for(int i = 0 ; i < n ; i++){
cin >> sequence[i] ;
}
for(int i = 0 ; i < n-1 ; i++) {
int a = sequence[i] ;
int b = sequence[i+1] ;
int res = abs( a - b) ;
sequence[i] = res ;
}
sort(sequence, sequence + n -1) ;
bool isJolly = true ;
for(int i = 0 ; i < n-1 ; i++){
if(sequence[i] != (i+1)){
isJolly = false ;
break ;
}
}
if(isJolly) cout << "Jolly" <<endl ;
else cout << "Not jolly" <<endl ;
}// end WHILE
return 0 ;
}
