import java.time.ZoneOffset;
import java.time.format.DateTimeFormatterBuilder;
import java.util.Date;
import java.util.Locale;

public class Main {
	public static void main(String[] args) {
		System.out.println(new Date().toInstant().plusSeconds(5).atZone(ZoneOffset.UTC).format(
				new DateTimeFormatterBuilder().appendPattern("uuuu-MM-dd'T'HH:mm:ss").toFormatter(Locale.ENGLISH)));
	}
}