def lateRide(n)
  n = n.to_f
  n = n/60
  float = n % 1
  number = n - float
  number = number.to_i

  float = float * 60
  float = float.round.to_i

  if number > 9
    tens = number/10
    ones = number-(tens*10)
  else
    tens = 0
    ones = number
  end

  if float > 9
    ftens = float/10
    fones = float-(ftens*10)
  else
    ftens = 0
    fones = float
  end
  tens + ones + ftens + fones
end

puts lateRide(240) #4
puts lateRide(808) #14
puts lateRide(1439) #19
puts lateRide(0) #0
puts lateRide(23) #5
puts lateRide(8) #8