import java.util.*;
import java.lang.*;
import java.io.*;

class Main
{
	public static void main (String[] args) throws java.lang.Exception
	{
		int n, res = 0;
		Scanner in = new Scanner(System.in);
		n = in.nextInt();
		if(n < 199) {
			res = 199 - n;
		}
		else {
			res = 0;
		}  
		System.out.print(res);
	}
}