source_code: 
  import java.math.BigInteger;
  import java.util.Scanner;
  
  /*
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  /**
   *
   * @author Sagimbekov_MA
   */
  public class A483 {
      public static void main(String[] args) {
          Scanner sc = new Scanner(System.in);
          BigInteger l = sc.nextBigInteger();
          BigInteger r = sc.nextBigInteger();
          
          if (r.subtract(l).compareTo(new BigInteger("2")) == -1) {
              System.out.println("-1");
          } else if (r.subtract(l).compareTo(new BigInteger("2")) == 0 && l.mod(new BigInteger("2")) != BigInteger.ZERO) {
              System.out.println("-1");
          } else if (l.mod(new BigInteger("2")) != BigInteger.ZERO) {
              System.out.println(l.add(BigInteger.ONE) + " " + l.add(BigInteger.ONE).add(BigInteger.ONE) + " " + l.add(BigInteger.ONE).add(BigInteger.ONE).add(BigInteger.ONE));
          } else {
              System.out.println(l + " " + l.add(BigInteger.ONE) + " " + l.add(BigInteger.ONE).add(BigInteger.ONE));
          }
      }
  }
  