Advent of Code 2020 Day 1 Part 2

#https://adventofcode.com/2020/day/1

# WebRequest to gather your puzzle input
$cookie_id = "53616xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
$session = New-Object Microsoft.PowerShell.Commands.WebRequestSession
$session.Cookies.Add((New-Object System.Net.Cookie("session", $cookie_id, "/", ".adventofcode.com")))
$list = Invoke-WebRequest -UseBasicParsing -Uri "https://adventofcode.com/2020/day/1/input"
-WebSession $session `

#Transform the puzzle input into an array of int and sort it
[int[]]$list = $list.Content -split("\n") | ? {$_}
$list = $list | sort

#Using the two pointers technique to loop over the array
for ($index = 0; $index -lt $list.Count -2 ; $index++){
    $i = $index + 1
    $j = $list.Count -1
    while ($i -lt $j){
        if($list[$index]+$list[$i]+$list[$j] -eq 2020){
            $answer = $list[$index]*$list[$i]*$list[$j]
            return $answer
        }
        elseif ($list[$index]+$list[$i]+$list[$j] -lt 2020){
            $i++
        }
        else{
            $j--
        }
    }
}