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