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

if 0<a:

    ans = 'Positive'

elif b<0:

    ans = 'Positive' if (b-a)%2==1 else 'Negative'

else:

    ans = 'Zero'

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

if a>0:

    print('Positive')

elif b<0:

    if (a-b+1)%2==0:

        print('Positive')

    else:

        print('Negative')

else:

    print('Zero')
a, b = list(map(int, input().split()))
if 0 < a:
    ans = "Positive"
elif b < 0:
    ans = "Positive" if (b - a) % 2 == 1 else "Negative"
else:
    ans = "Zero"
print(ans)

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

-if 0 < a: -    ans = "Positive" +if a > 0: +    print("Positive") -    ans = "Positive" if (b - a) % 2 == 1 else "Negative" +    if (a - b + 1) % 2 == 0: +        print("Positive") +    else: +        print("Negative") -    ans = "Zero" -print(ans) +    print("Zero")