source_code: 
  import java.util.Scanner;
  
  public class A {
  	public static void main(String[] args) {
  		Scanner sc = new Scanner(System.in);
  		long l = sc.nextLong(), r = sc.nextLong();
  		if (l % 2 == 0 && r - l >= 2) {
  			System.out.println(l + " " + (l + 1) + " " + (l + 2));
  		} else if (l % 2 == 1 && r - l >= 3) {
  			System.out.println(l + 1 + " " + (l + 2) + " " + (l + 3));
  		} else {
  			System.out.println(-1);
  		}
  	}
  }
  