Your best bet is to use the IRS webpage linked below to access a copy of your transcript for 2017. The transcript will have your 2017 AGI. There's no charge, and you'll have your 2017 AGI in no time.
https://www.irs.gov/individuals/get-transcript
*** I am NOT a tax expert. I am a seasoned TurboTax user, and volunteer to provide assistance to TT users. Nothing I post is to be considered TAX ADVICE; I bear no legal liability for responses.***
