a = []
arr = list(map(int, input().split()))
arr.sort()
for i in range(1, len(arr)):
if (arr[i]-arr[i-1]) != 1:
if (arr[i]-arr[i-1]) != 0:
print("Not jolly")
exit()
else:
a.append(arr[i]-arr[i-1])
if 1 <= len(a)<len(arr):
print('Jolly')
else:
print("Not jolly")
