Problem:
Score : 100 points

Problem Statement

Given is an integer x that is greater than or equal to 0, and less than or equal to 1.
Output 1 if x is equal to 0, or 0 if x is equal to 1.

Constraints

0 \leq x \leq 1

x is an integer

Input

Input is given from Standard Input in the following format:

x

Output

Print 1 if x is equal to 0, or 0 if x is equal to 1.

Sample Input 1

1

Sample Output 1

0

Sample Input 2

0

Sample Output 2

1

Solution in C# (.NET Core 3.1.201) (judge verdict: Accepted)

using System;
using System.Linq;

namespace ABC178
{
    class Program
    {
        static void Main(string[] args)
        {
            a();
        }

        public static void a()
        {
            int x = int.Parse(Console.ReadLine());
            if (x == 0)
                Console.WriteLine(1);
            else
                Console.WriteLine(0);
        }
    }
}