#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; }

#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; }