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



if a*b <= 0:

    print("Zero")

elif a > 0 and b > 0:

    print("Positive")

elif (a-b)%2 == 0:

    print("Negative")

else:

    print("Positive")
import sys

def input():

    return sys.stdin.readline()[:-1]

def main():

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

    if a > 0 and b > 0:

        print("Positive")

    elif a*b <= 0:

        print("Zero")

    else:

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

            print("Positive")

        else:

            print("Negative")

if __name__ == '__main__':

    main()

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

import sys


def input():
    return sys.stdin.readline()[:-1]


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


if __name__ == "__main__":
    main()

-a, b = list(map(int, input().split())) -if a * b <= 0: -    print("Zero") -elif a > 0 and b > 0: -    print("Positive") -elif (a - b) % 2 == 0: -    print("Negative") -else: -    print("Positive") +import sys + + +def input(): +    return sys.stdin.readline()[:-1] + + +def main(): +    a, b = list(map(int, input().split())) +    if a > 0 and b > 0: +        print("Positive") +    elif a * b <= 0: +        print("Zero") +    else: +        if (b - a) % 2 == 1: +            print("Positive") +        else: +            print("Negative") + + +if __name__ == "__main__": +    main()