import java.time.Duration;
import java.time.ZoneId;
import java.time.ZonedDateTime;
 
class Main {
	public static void main(String[] args) {
		String[] durationParts = "288:30:18".split(":");
 
		Duration duration = Duration.ofHours(Integer.parseInt(durationParts[0]))
				.plusMinutes(Integer.parseInt(durationParts[1]))
				.plusSeconds(Integer.parseInt(durationParts[2]));
		System.out.println(duration);
 
		// You can add/subtrat duration from a date-time e.g.
		ZonedDateTime zdt = ZonedDateTime.now(ZoneId.of("Asia/Kolkata"));
		System.out.println(zdt.plus(duration));
		System.out.println(zdt.minus(duration));
	}
}

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