using System;

public class Program

{

    public static void Main()

    {

        int[] arr=new int[4];

        int p=int.Parse(Console.ReadLine());

        int sum=0,sum2=0;

        for (int i=p;i<arr.Length;i++)

        {

            sum+=arr[i];

        }

        for (int t=p;t>=0;t--)

             {

                 sum2+=arr[p];

             }

        if ((p<sum)&&(p>sum2))

        Console.WriteLine("true");

    }

}