You were supposed to save the original as a pdf before you began to amend. If you did not do that, then the amended return overwrote the original return. You can seek a copy of the return from the IRS.
you can get a free transcript from the IRS or for a fee of $43, an actual copy of your tax return.
https://www.irs.gov/individuals/get-transcript
https://www.irs.gov/pub/irs-pdf/f4506.pdf
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**