------
## 最终结论
```python
def tuple_int_str(input_tuple):
    return tuple(tuple(int(num) for num in inner) for inner in input_tuple)

# Test cases
assert tuple_int_str((('333', '33'), ('1416', '55'))) == ((333, 33), (1416, 55))
assert tuple_int_str((('999', '99'), ('1000', '500'))) == ((999, 99), (1000, 500))
assert tuple_int_str((('666', '66'), ('1500', '555'))) == ((666, 66), (1500, 555))
```