Canonicalized Input Description: 

An integer N (1 ≤ N ≤ 100), representing some quantity or size.  
A list of N integers S, where each integer (1 ≤ S[i] ≤ 1000) represents some measurement or value.  

### Example Input:

```
3
5 10 15
```

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