You can buy through different markets like:
https://www.cryptopia.co.nz
https://yobit.net
https://www.livecoin.net
https://www.coinexchange.io

I recommend that you buy with the following currencies Ltc or ETH give you more coins at the moment and do not despair save them, which is a long-term investment that invests money that you are not going to use at the moment.