BLSI.java

import java.util.concurrent.ThreadLocalRandom;

public class BLSI {
  
  public static void main(String[] args) {
    long blackhole = -1L;
    while (blackhole != 0L) {
      blackhole = blsi(ThreadLocalRandom.current().nextLong());
    }
    System.out.println(blackhole);
  }

  public static long blsi(long value) {
    return value & -value;
  }
}