A,B = list(map(int,input().split()))

if A <= 0 <= B:

    print('Zero')

    exit()



if 0 < A:

    print('Positive')

elif B < 0:

    c = B-A+1

    print(('Negative' if c%2 else 'Positive'))

else:

    c = -A

    print(('Negative' if c%2 else 'Positive'))
a,b = list(map(int,input().split()))

if a <= 0 <= b:

    print('Zero')

elif a > 0:

    print('Positive')

else:

    k = b-a + 1

    print(('Negative' if k%2 else 'Positive'))
A, B = list(map(int, input().split()))
if A <= 0 <= B:
    print("Zero")
    exit()
if 0 < A:
    print("Positive")
elif B < 0:
    c = B - A + 1
    print(("Negative" if c % 2 else "Positive"))
else:
    c = -A
    print(("Negative" if c % 2 else "Positive"))

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

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