a,b=list(map(int,input().split()));print(('Zero'*(a+b==0or abs(a+b)<abs(a)+abs(b))or'NPeogsaittiivvee'[a>0or(b-a)%2::2]))
a,b=list(map(int,input().split()));print(('Zero'*(a*b<=0)or'PNoesgiattiivvee'[b<0and(b-a+1)%2::2]))
a, b = list(map(int, input().split()))
print(
    (
        "Zero" * (a + b == 0 or abs(a + b) < abs(a) + abs(b))
        or "NPeogsaittiivvee"[a > 0 or (b - a) % 2 :: 2]
    )
)

a, b = list(map(int, input().split()))
print(("Zero" * (a * b <= 0) or "PNoesgiattiivvee"[b < 0 and (b - a + 1) % 2 :: 2]))

-print( -    ( -        "Zero" * (a + b == 0 or abs(a + b) < abs(a) + abs(b)) -        or "NPeogsaittiivvee"[a > 0 or (b - a) % 2 :: 2] -    ) -) +print(("Zero" * (a * b <= 0) or "PNoesgiattiivvee"[b < 0 and (b - a + 1) % 2 :: 2]))