I am an odd number and if you take away a letter, I become even. What number am I?
I am the number seven.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: I am an odd number and if you take away a letter, I become even. What number am I?
### Input: 
### Response: I am the number seven.