import bisect,collections,copy,heapq,itertools,math,numpy,string

import sys

def S(): return sys.stdin.readline().rstrip()

def I(): return int(sys.stdin.readline().rstrip())

def LI(): return list(map(int,sys.stdin.readline().rstrip().split()))

def LS(): return list(sys.stdin.readline().rstrip().split())

#N = I()

#A = [LI() for _ in range(N)]



a, b = list(map(int,sys.stdin.readline().rstrip().split()))



if a > 0:

    print('Positive')

elif a <= 0 and b >= 0:

    print('Zero')

else:

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

        print('Negative')

    else:

        print('Positive')
import bisect,collections,copy,heapq,itertools,math,numpy,string

import sys

#N = I()

#A = [LI() for _ in range(N)]



a, b = list(map(int,sys.stdin.readline().rstrip().split()))



if a > 0:

    print('Positive')

elif a <= 0 and b >= 0:

    print('Zero')

else:

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

        print('Negative')

    else:

        print('Positive')
import bisect, collections, copy, heapq, itertools, math, numpy, string
import sys


def S():
    return sys.stdin.readline().rstrip()


def I():
    return int(sys.stdin.readline().rstrip())


def LI():
    return list(map(int, sys.stdin.readline().rstrip().split()))


def LS():
    return list(sys.stdin.readline().rstrip().split())


# N = I()
# A = [LI() for _ in range(N)]
a, b = list(map(int, sys.stdin.readline().rstrip().split()))
if a > 0:
    print("Positive")
elif a <= 0 and b >= 0:
    print("Zero")
else:
    if (a + b) % 2 == 0:
        print("Negative")
    else:
        print("Positive")

import bisect, collections, copy, heapq, itertools, math, numpy, string
import sys

# N = I()
# A = [LI() for _ in range(N)]
a, b = list(map(int, sys.stdin.readline().rstrip().split()))
if a > 0:
    print("Positive")
elif a <= 0 and b >= 0:
    print("Zero")
else:
    if (a + b) % 2 == 0:
        print("Negative")
    else:
        print("Positive")

- - -def S(): -    return sys.stdin.readline().rstrip() - - -def I(): -    return int(sys.stdin.readline().rstrip()) - - -def LI(): -    return list(map(int, sys.stdin.readline().rstrip().split())) - - -def LS(): -    return list(sys.stdin.readline().rstrip().split()) -