a=list(map(int,input().split())) s=[i for i in range(1,len(a))] s1=[] flag=True for i in range(len(a)-1): c=abs(a[i + 1] - a[i]) s1.append(c) for i in s1: if i not in s: flag=False if flag: print('Jolly') else: print('Not jolly')