/* 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(
				"20 Oct 2021 12:12:01", 
				DateTimeFormatter
				.ofPattern("dd MMM yyyy HH:mm:ss")
				.withLocale( Locale.US )
			)
			.toString()
		);
	}
}

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