/* 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
	{
		String input = "Apr  1 2022 12:00:00:000AM".replace( "  " , " " ) ;
        Locale locale =new  Locale( "en" , "US" ) ;
        DateTimeFormatter formatter = 
            DateTimeFormatter
            .ofPattern("MMM d yyyy hh:mm:ss:SSSa")
            .withLocale( locale );
        LocalDateTime ldt = LocalDateTime.parse( input , formatter ) ;
        LocalDate ld = ldt.toLocalDate();
        String output = ld.format( DateTimeFormatter.BASIC_ISO_DATE ) ;
        System.out.println( output ) ;
	}
}

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