An even integer \(N\) (2 ≤ \(N\) ≤ 1000), representing some quantity or size.
Multiple datasets, each consisting of one even integer \(N\).

The end of input is indicated by a line that contains a single zero.

### Example Input:

```
2
4
6
0
```

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