# Day03

```elixir
Mix.install([
  {:kino, "~> 0.14.2"},
])
```

## Run Me

[![Run in Livebook](https://livebook.dev/badge/v1/blue.svg)](https://livebook.dev/run?url=https%3A%2F%2Fgit.kev.pub%2Fkev%2Faoc2024%2Fraw%2Fbranch%2Fmain%2Fday01.livemd)

## Input

```elixir
input = Kino.Input.textarea("Input")
```

## Part One

```elixir
defmodule PartOne do
  def run(input) do
    Regex.scan(~r/mul\((\d+),(\d+)\)/, input)
    |> Enum.map(fn [_, a, b] -> String.to_integer(a) * String.to_integer(b) end)
    |> Enum.sum  
  end
end

input
|> Kino.Input.read
|> PartOne.run
```

## Part Two

```elixir
input
|> Kino.Input.read
|> String.split("do()")
|> Enum.map(fn s -> s |> String.split("don't()") |> hd end)
|> Enum.map(&PartOne.run/1)
|> List.flatten
|> Enum.sum
```