def slove():

    import sys

    input = sys.stdin.readline

    a, b = list(map(int, input().rstrip('\n').split()))

    if a * b > 0 :

        if a > 0 and b > 0:

            print("Positive")

        elif a < 0 and b < 0:

            print(("Positive" if abs(a - b + 1) % 2 == 0 else "Negative"))

        elif a < 0 and 0 < b:

            print(("Positive" if abs(a) % 2 == 0 else "Negative"))

    else:

        print("Zero")





if __name__ == '__main__':

    slove()

def slove():

    import sys

    input = sys.stdin.readline

    a, b = list(map(int, input().rstrip('\n').split()))

    if a * b <= 0:

        print("Zero")

    elif a > 0 and b > 0:

        print("Positive")

    else:

        if a * b >= 0:

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

                print("Positive")

            else:

                print("Negative")

        else:

            if abs(a) % 2 == 0:

                print("Positive")

            else:

                print("Negative")





if __name__ == '__main__':

    slove()

def slove():
    import sys

    input = sys.stdin.readline
    a, b = list(map(int, input().rstrip("\n").split()))
    if a * b > 0:
        if a > 0 and b > 0:
            print("Positive")
        elif a < 0 and b < 0:
            print(("Positive" if abs(a - b + 1) % 2 == 0 else "Negative"))
        elif a < 0 and 0 < b:
            print(("Positive" if abs(a) % 2 == 0 else "Negative"))
    else:
        print("Zero")


if __name__ == "__main__":
    slove()

def slove():
    import sys

    input = sys.stdin.readline
    a, b = list(map(int, input().rstrip("\n").split()))
    if a * b <= 0:
        print("Zero")
    elif a > 0 and b > 0:
        print("Positive")
    else:
        if a * b >= 0:
            if abs(a - b + 1) % 2 == 0:
                print("Positive")
            else:
                print("Negative")
        else:
            if abs(a) % 2 == 0:
                print("Positive")
            else:
                print("Negative")


if __name__ == "__main__":
    slove()

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