I'm going to stop using myetherwallet.com because it's not working as of today 12/8/2017. I can say that I will be using ETC for my mining for the time going on from here.
This is the site I am using for mining with ETC.
ETH address 0x917531c64de816ebeb7a37fda69d28b81d9b468f
ETC address 0x4a37b9b388054bb67b136228367ffead5a37faaa
BTC address 1FQD7WRLoB613BR55735pgTYoXVUEzfSaR