An even integer \(N\) (2 ≤ \(N\) ≤ 1000), representing some quantity or size.

Multiple datasets ending with a single zero which is not part of the input.

### Example Input:

```
2
4
6
8
10
52
0
```

### Function Signature:
Write a function f(inputs) that takes in the input.
def f(inputs: List[int]): 
    ''' 
    inputs: a list of integers
    '''