#prepare the input which is a string containing new lines
def parse(input)
  data = []
  input.each_line do |line|
    data << line.split(":").last.gsub(" ","").to_i
    puts data
  end
  data
end

# result should a single string or integer
def calculate(data)
  win_count = 0
  time,distance = data
  win_count = 0
  (1..time).each do |duration|
    speed = duration
    time_left = time - duration
    travel_distance = speed * time_left
    win_count += 1 if travel_distance > distance
  end
  win_count
end