小题解

#include<bits/stdc++.h>
using namespace std;
int main(){
    int n;
    cin>>n;
    if(n>0){
        cout<<"positive"<<endl;
    }
	if(n==0){
        cout<<"zero"<<endl;
    }
    if(n<0){
        cout<<"negative"<<endl;
    }
    return 0;
}