day17/part2


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#!/usr/bin/env ruby

input = gets.chomp.to_i

length = 1
pos = 0
after0 = 0

50_000_000.times do |num|
  pos += input
  pos %= length
  pos += 1

  after0 = (num + 1) if pos == 1

  length += 1
end

p after0