public void FindThreeEntriesSummingToTotal_andMultiplyThem() { var fileReader = new FileReader(); var expenseReport = new ExpenseReport(); var fileExtension = @"C:\Users\ucpayto\source\repos\AdventOfCode2020\day-1-input.txt"; var entries = fileReader.GetIntsFromFile(fileExtension); var twentyTwenty = 2020; var candidates = expenseReport.FindThreeEntriesSummingToTotal(twentyTwenty, entries); var total = candidates.MultiSum(); }