# A - Range Product

import numpy as np



ans = ['Positive', 'Negative']



a, b = list(map(int, input().split()))

if a<=0 & 0<=b:

    print('Zero')

else:

    sgn = max(-b,0) - max(-a-1,0)

    print((ans[sgn%2]))
# A - Range Product

a,b = list(map(int,input().split()))

if a<=0 and b>=0:

    print('Zero')

elif (max(-a,0)-max(-b-1,0))%2==0:

    print('Positive')

else:

    print('Negative')
# A - Range Product
import numpy as np

ans = ["Positive", "Negative"]
a, b = list(map(int, input().split()))
if a <= 0 & 0 <= b:
    print("Zero")
else:
    sgn = max(-b, 0) - max(-a - 1, 0)
    print((ans[sgn % 2]))

# A - Range Product
a, b = list(map(int, input().split()))
if a <= 0 and b >= 0:
    print("Zero")
elif (max(-a, 0) - max(-b - 1, 0)) % 2 == 0:
    print("Positive")
else:
    print("Negative")

-import numpy as np - -ans = ["Positive", "Negative"] -if a <= 0 & 0 <= b: +if a <= 0 and b >= 0: +elif (max(-a, 0) - max(-b - 1, 0)) % 2 == 0: +    print("Positive") -    sgn = max(-b, 0) - max(-a - 1, 0) -    print((ans[sgn % 2])) +    print("Negative")