#include <iostream>
using namespace std;

void function(int);

int main()
{
	int a,b;
	cout<<"a=:";
	cin>>a;
	function(a);
	system("pause");
	return 0;
}

void function(int a)
{
	if(a>0){
		cout<<"positive "<<endl;
	} else {
		cout<<"negative "<<endl;
	}
}