import java.util.Scanner;
public class Sign{
    public static void main(String []args){
        Scanner sc = new Scanner(System.in);
        System.out.println("Enter a number : ");
        int num = sc.nextInt();
        Sign temp = new Sign();
        System.out.println("Number is "+ temp.signer(num));
    }
      public String signer(int x){
       if(x==0){
           return("zero");
        }else if(x<0){
            return("negative");
        }else{
            return("positive");
        }
    }
}