Construct a 3-note melody.
Here is a simple 3-note melody that you can try playing on a musical instrument or singing:

- C D E (Do, Re, Mi)
Complete the following task based on the instruction and optional input provided.### Instruction:
Construct a 3-note melody.

### Output:
Here is a simple 3-note melody that you can try playing on a musical instrument or singing:

- C D E (Do, Re, Mi)