Canonicalized Input Description:

A string S of length between 1 and 100,000 consisting of lowercase English letters.
An integer N (1 ≤ N ≤ 100,000), representing some quantity or number of operations.
N pairs of integers (L_i, R_i) where 1 ≤ L_i ≤ R_i ≤ |S|, indicating some ranges.

### Example Input:

```
bixzja
2
2 3
3 6
```

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