I have included a LINK below for you to check your YMCA to see if they really do have an EIN. If they do not, the IRS will not allow you to E-file your return and you will instead have to print and mail your tax return.
http://www.ymca.net/sites/default/files/organizational-profile/form-990-2012.pdf
https://ttlc.intuit.com/questions/3425647-i-did-not-get-a-2016-form-from-ymca-for-afterschool-expens...
[Edited 2/11/17]
