import java.util.Scanner;

public class Exercise02_08 {
  public static void main(String[] args) {
    // Prompt the user to enter the time zone offset to GMT
    Scanner input = new Scanner(System.in);
    System.out.print("Enter the time zone offset to GMT: ");
    long timeZoneOffset = input.nextInt();
    
    // Obtain the total milliseconds since the midnight, Jan 1, 1970
    long totalMilliseconds = System.currentTimeMillis();

    // Obtain the total seconds since the midnight, Jan 1, 1970
    long totalSeconds = totalMilliseconds / 1000;

    // Compute the current second in the minute in the hour
    long currentSecond = totalSeconds % 60;

    // Obtain the total minutes
    long totalMinutes = totalSeconds / 60;

    // Compute the current minute in the hour
    long currentMinute = totalMinutes % 60;

    // Obtain the total hours
    long totalHours = totalMinutes / 60;

    // Compute the current hour
    long currentHour = (totalHours + timeZoneOffset) % 24;

    // Display results
    System.out.println("Current time is " + currentHour + ":"
      + currentMinute + ":" + currentSecond);
  }
}
