#include <bits/stdc++.h>
using namespace std;

int main() {
	long long a;
	cin>>a;
	if(a>0){
		cout<<"positive";
	} else if(a==0){
		cout<<"zero";
	} else if(a<0){
		cout<<"negative";
	}
	return 0;
}

#include <bits/stdc++.h> using namespace std;

int main() {

int b; cin >> b; if(b>0){ cout<<"positive";

}else if(b<0){ cout<<"negative"; }else{ cout<<"zero"; } return 0; }