using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace No272
{
	class MainClass
	{
		public static void Main (string[] args)
		{
			var s = Console.ReadLine ();

			if (s == "1") {
				Console.WriteLine ("0");
			} else {
				Console.WriteLine ("1");
			}
		}
	}
}