Looking for new sz 36 narrow flamenco shoe to exchange for new red Menkes sz 40!

I bought this new pair of red Menkes Flamenco shoes but picked the wrong sizing since I wasn’t sure of the size conversion from Spain to the U.S. Since then I discovered I am a size 36 narrow indicated by the letter A on the shoe. I am hoping to find someone out there with a similar dilemma that I can exchange with. You would take my new red Menkes size 40 and I could get a new pair of 36 narrow flamenco shoes.