class Hoe

def timebomb n, m, finis = '2010-04-01', start = '2009-03-14'
  require 'time'
  finis = Time.parse finis
  start = Time.parse start
  rest  = (finis - Time.now)
  full  = (finis - start)
  [((n - m) * rest / full).to_i + m, m].max
end