Problem I: 判断数正负 positive or negative number

Problem I: 判断数正负 positive or negative number

Time Limit: 1 Sec  Memory Limit: 128 MB
Submit: 313  Solved: 155
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Description

给定一个整数N,判断其正负。


Given an integer N, determine whether it is positive or negative number.


Input

一个整数N
An inteager N

Output

如果N > 0, 输出positive
如果N = 0, 输出zero
如果N < 0, 输出negative


if N > 0, print positive
if N = 0, print  zero
if N < 0, print  negative

Sample Input Copy

1

Sample Output Copy

positive