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

if a > 0 and b > 0: ans = "Positive"

elif a < 0 and b < 0:

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

    ans = "Positive"

  else:

    ans = "Negative"

else:

  ans = "Zero"

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

if a > 0 and b > 0: ans = "Positive"

elif a < 0 and b > 0: ans = "Zero"

else:

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

  else: ans = "Negative"

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

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

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