/* package whatever; // don't place package name! */

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

import java.time.* ;
import java.time.temporal.* ;

/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{

	System.out.println(
		
        ChronoUnit.DAYS.between(
            LocalDate.of( 2013 , 11 , 30 ) ,
            LocalDate.of( 2013 , 12 , 1 )
        )
    ) ;

	}
}