null created by knowsuchagency - https://repl.it/LIK8/0

LIK8-0.java

class Main {
  public static void main(String[] args) {
    int seconds, minutes, hours, days, weeks;
    
    seconds = 100;
    
    weeks = seconds/(168*60*60);
    seconds -= weeks*168*60*60;

    days = seconds/(24*60*60);
    seconds -= days*24*60*60;

    hours = seconds/(60*60);
    seconds -= hours*60*60;

    minutes = seconds/(60);
    seconds -= minutes*60;

    
    if (weeks > 0) {
      System.out.printf("%d weeks %d days %d hours %d minutes %d seconds", weeks, days, hours, minutes, seconds);
    } else if (days > 0) {
      System.out.printf("%d days %d hours %d minutes %d seconds", days, hours, minutes, seconds);
    } else if (hours > 0) {
      System.out.printf("%d hours %d minutes", hours, minutes, seconds);
    } else if (minutes > 0) {
      System.out.printf("%d minutes %d seconds", minutes, seconds);
    } else {
      System.out.printf("%d seconds", seconds);
    }
    
  }
}