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