C# 백준 18108

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

namespace question
{
    internal class 18108
    {
        static void Main(string[] args)
        {
            string A = Console.ReadLine();
            int B = int.Parse(A);

            Console.WriteLine(B-543);
        }
    }
}