public class Wait {
  public static void oneSec() {
     try {
       Thread.currentThread().sleep(1000);
       }
     catch (InterruptedException e) {
       e.printStackTrace();
       }
     }  
  public static void manySec(long s) {
     try {
       Thread.currentThread().sleep(s * 1000);
       }
     catch (InterruptedException e) {
       e.printStackTrace();
       }
     }
}