```python
def tint_mix(volume_a:    strength_a: int):
 volume_b: int, strength_b: int) -> int):
    if volume_a == 0 and volume_b == 0:
        return 0
    total_volume = volume_a + volume_b
       total_strength = (volume_a * strength_a + volume_b * strength_b) // total_volume:
):
    return total_strength
```