Unfavorable people enjoying favor S1e77 Gen15:6

How do sinners go to heaven? Specifically, how do UNholy people enjoy fellowship with a HOLY God forever?  How can these 2 unequal things co-exist? God has got to do some generous heavenly math on our behalf.

He CREDITS us. He COUNTS us as RIGHTEOUS.  He chooses to SEE US as righteous by our faith.  Abram, and us, believe the Lord, and it is counted to us as righteousness.  Listen to this favorable news x 7 minutes! or watch: 
https://www.youtube.com/channel/UCNijvDWAn2Wv2KFun2AnvCA