using System;

class IfDemo{

  public static void Main(){
    int i, res;
    i = Int32.Parse(Console.ReadLine());

    if (i < 0){
      res = -1;
      Console.WriteLine("i is negative");
    } 
    else if (i == 0) {
      res = 0;
      Console.WriteLine("i is zero");
    } 
    else { 
       res = 1;
       Console.WriteLine("i is positive");       
    }
    Console.WriteLine(res);
  }

}