import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
 
public class Main {
	public static void main(String[] args) throws ParseException {
		String date = "2021-05-14T09:26:20";
		SimpleDateFormat parser = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");
		SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		Date newDate = parser.parse(date);
		System.out.println(format.format(newDate));
	}
}

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