package main

import (
	"bufio"
	"fmt"
	"os"
)

func main() {
	in := bufio.NewReader(os.Stdin)
	out := bufio.NewWriter(os.Stdout)
	defer out.Flush()

	var l, r int64
	if _, err := fmt.Fscan(in, &l, &r); err != nil {
		return
	}

	for a := l; a+2 <= r; a++ {
		if a%2 == 0 {
			fmt.Fprintf(out, "%d %d %d", a, a+1, a+2)
			return
		}
	}
	fmt.Fprint(out, -1)
}