Geraldo 100 03, level 3

[Brendansoma]

Can somebody help me with this level. The hint says that 2 keys are enough, but I just don't see it .
ihyg@hotmail.com

[bim42]

Help is on the way ..... 

[Brendansoma]

Thank you Biggi. I see now that 2 keys were enough...so clever.
You saved my day 
Greetings, Karen