An integer A (-100 ≤ A ≤ 100).
An integer B (-100 ≤ B ≤ 100).
An integer C (-100 ≤ C ≤ 100).

### Example Input:

```
5 7 5
```

### Function Signature:
Write a function f(A, B, C) that takes in the input.
def f(A: int, B: int, C: int):
    '''
    A: an integer
    B: an integer
    C: an integer
    '''