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# Day2 ## Untitled   ```elixir data = "input" |> IO.getn(1_000_000) |> String.split(["\r\n", "\n"], trim: true) |> Enum.map(&String.split/1) |> Enum.map(fn [m, u] -> {m, String.to_integer(u)} end) |> tap(&IO.puts(length(&1))) ```  ```elixir defmodule P1 do def move(data) do data |> Enum.reduce({0, 0}, fn {"forward", unit}, {depth, position} -> {depth, position + unit} {"down", unit}, {depth, position} -> {depth + unit, position} {"up", unit}, {depth, position} -> {depth - unit, position} end) end end ```  ```elixir {depth, position} = P1.move(data) ```  ```elixir depth * position ```  ```elixir defmodule P2 do def move(data) do data |> Enum.reduce({0, 0, 0}, fn {"forward", unit}, {depth, aim, position} -> {depth + aim * unit, aim, position + unit} {"down", unit}, {depth, aim, position} -> {depth, aim + unit, position} {"up", unit}, {depth, aim, position} -> {depth, aim - unit, position} end) end end ```  ```elixir {depth, _aim, position} = P2.move(data) ```  ```elixir depth * position ```

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