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

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

import java.time.* ;
import java.time.format.* ;

/* 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(
		
			LocalDateTime                             
			.parse(
			    "2021-02-16 20:57:43".replace( " " , "T" )   
			)                            
			.atOffset(                            
			    ZoneOffset.UTC                        
			)                         
			.atZoneSameInstant(                  
			    ZoneId.of( "Pacific/Honolulu" )             
			)                                    
			.toString()                    
			
		);                 
		
	}
}