/* 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(  // At least 12 years, depending on current year.
		    ChronoUnit.YEARS.between( 
		        LocalDate.of ( 2010 , 1 , 1 ) , 
		        LocalDate.now ( ZoneId.of( "America/Montreal" ) )
	        ) 
		);
		System.out.println(  // Zero years
			ChronoUnit.YEARS.between( 
				LocalDate.of( 2010 , 1 , 1 ) , 
				LocalDate.of( 2010 , 6 , 1 ) 
			)
		); 
		System.out.println(  // One year.
			ChronoUnit.YEARS.between( 
				LocalDate.of( 2010 , 1 , 1 ) , 
				LocalDate.of( 2011 , 1 , 1 ) 
			)
		); 
		System.out.println(  // One year.
			ChronoUnit.YEARS.between( 
				LocalDate.of( 2020 , 11 , 23 ) , 
				LocalDate.of( 2022 , 9 , 12 ) 
			)
		); 
	}
}