from collections import Counter,defaultdict,deque

from heapq import heappop,heappush,heapify

import sys,bisect,math,itertools,pprint

sys.setrecursionlimit(10**8)

mod = 10**9+7

def inp(): return int(sys.stdin.readline())

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

def inpln(n): return list(int(sys.stdin.readline()) for i in range(n))



a,b = inpl()

if a <= 0 and b >= 0:

    print('Zero')

else:

    if a > 0:

        print('Positive')

    else:

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

            print('Negative')

        else:

            print('Positive')



           
from collections import Counter,defaultdict,deque

from heapq import heappop,heappush,heapify

import sys,bisect,math,itertools,fractions,pprint

sys.setrecursionlimit(10**8)

mod = 10**9+7

INF = float('inf')

def inp(): return int(sys.stdin.readline())

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



a,b = inpl()

if a>0 and b>0:

    res = 1

elif a*b<=0:

    res = 0

else:

    if abs(a-b)%2:

        res = 1

    else:

        res = -1

if res == 1:

    print('Positive')

elif res == 0:

    print('Zero')

else:

    print('Negative')
from collections import Counter, defaultdict, deque
from heapq import heappop, heappush, heapify
import sys, bisect, math, itertools, pprint

sys.setrecursionlimit(10**8)
mod = 10**9 + 7


def inp():
    return int(sys.stdin.readline())


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


def inpln(n):
    return list(int(sys.stdin.readline()) for i in range(n))


a, b = inpl()
if a <= 0 and b >= 0:
    print("Zero")
else:
    if a > 0:
        print("Positive")
    else:
        if (b - a) % 2 == 0:
            print("Negative")
        else:
            print("Positive")

from collections import Counter, defaultdict, deque
from heapq import heappop, heappush, heapify
import sys, bisect, math, itertools, fractions, pprint

sys.setrecursionlimit(10**8)
mod = 10**9 + 7
INF = float("inf")


def inp():
    return int(sys.stdin.readline())


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


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

-import sys, bisect, math, itertools, pprint +import sys, bisect, math, itertools, fractions, pprint +INF = float("inf") -def inpln(n): -    return list(int(sys.stdin.readline()) for i in range(n)) - - -if a <= 0 and b >= 0: +if a > 0 and b > 0: +    res = 1 +elif a * b <= 0: +    res = 0 +else: +    if abs(a - b) % 2: +        res = 1 +    else: +        res = -1 +if res == 1: +    print("Positive") +elif res == 0: -    if a > 0: -        print("Positive") -    else: -        if (b - a) % 2 == 0: -            print("Negative") -        else: -            print("Positive") +    print("Negative")