import javax.swing.JOptionPane;
public class TimeCalc
{
   public static void main(String[] args)
   {
      int seconds = Integer.parseInt(JOptionPane.showInputDialog(
         "Enter any number of seconds greater than zero:"));
      String outputMessage;
      if (seconds <= 0)
         outputMessage = "Invalid input received!";
      else
      {
         outputMessage = String.format("%d seconds is equal to:\n", seconds);
         final int SECONDS_PER_DAY = 86400;
         int days = 0;
         if (seconds >= SECONDS_PER_DAY)
         {
            days = seconds/SECONDS_PER_DAY;
            seconds = seconds - days * SECONDS_PER_DAY;
         }
         final int SECONDS_PER_HOUR = 3600;
         int hours = 0;
         if (seconds >= SECONDS_PER_HOUR)
         {
            hours = seconds/SECONDS_PER_HOUR;
            seconds = seconds - hours * SECONDS_PER_HOUR;
         }
         final int SECONDS_PER_MINUTE = 60;
         int minutes = 0;
         if (seconds >= SECONDS_PER_MINUTE)
         {
            minutes = seconds/SECONDS_PER_MINUTE;
            seconds = seconds - minutes * SECONDS_PER_MINUTE;
         }
         if (days > 0)
            outputMessage += String.format("  %,d days\n", days);
         if (hours > 0)
            outputMessage += String.format("  %d hours\n", hours);
         if (minutes > 0)
            outputMessage += String.format("  %d minutes\n", minutes);
         if (seconds > 0)
            outputMessage += String.format("  %d seconds", seconds);
      }
      JOptionPane.showMessageDialog(null, outputMessage);
      System.exit(0);
	}
}