e(text: <span class="hljs-built_in">string</span>): <span class="hljs-built_in">seq</span>[<span class="hljs-built_in">int</span>] = text.splitLines.map(parseInt)

  <span class="hljs-keyword">let</span>
    input = parse <span class="hljs-string">&quot;2020/input09.txt&quot;</span>.readFile
    example = parse <span class="hljs-string">&quot;&quot;&quot;35
20
15
25
47
40
62
55
65
95
102
117
150
182
127
219
299
277
309
576&quot;&quot;&quot;</span>

  <span class="hljs-keyword">echo</span> input.len
  <span 