import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.Locale;

public class Main {
	public static void main(String[] args) {
		String date = "2021-05-14T09:26:20";
		LocalDateTime ldt = LocalDateTime.parse(date);
		System.out.println(ldt);
		
		DateTimeFormatter dtf = DateTimeFormatter.ofPattern("uuuu-MM-dd HH:mm:ss", Locale.ENGLISH);
		System.out.println(dtf.format(ldt));
	}
}