# Arithmetic Over/Underflow Exercise 3

## Intro
AIVest is an AI-powered investment platform that uses machine learning algorithms to make investment decisions and manage portfolios, allowing users to invest in a variety of assets using a cryptocurrency as the primary form of payment.

AIVest announced they are launching its initial coin offering (ICO) to raise funds for the development and expansion of the platform.

The AIVest Token will be the primary form of payment on the platform and will also provide its holders with access to exclusive features and benefits, such as lower fees and priority access to new investment opportunities.

Can you hack the ICO smart contract?
You start with 1 ETH in balance.

## Accounts
* 0 - Deployer & Owner
* 1 - Investor 1
* 2 - Investor 2
* 3 - Investor 3
* 4 - Attacker (You)

## Tasks

### Task 1
Exploit the `AIvestICO.sol` smart contract and steal all the ETH that was invested so far.