Answer:
It looks like F Scale training to me from what i can see but here are the notes as long as there aren't any flats or sharps in the key.
Explanation:
Starting from the whole note since thats the first thing i can see,
First line: A-rest-A-B-C-B-A-rest-A-B-C-B-C-A-F
Second line: G-A-B-C-D-C-B-A-G-F-rest
Third line: B-A-C-B-D-D-B-C-A-B-G-E-F
