Statement

Everybody knows that William is constantly looking for the rarest and dankest memes on the magical place that is the Internet. Today he found a new one: the "but it keeps getting faster" meme. This meme consists of a video which is initially played at normal speed, but then just keeps getting faster. In most cases, the speedup is triggered by a specific event. For example, everytime someone says a particular word (typically a word that is used a lot throughout the video) like in the following cases: After watching all these memes, William decided to create one himself. However, to make a meme as dank as possible, he needs to know in advance how long it will be. He will start with an existing video which is N seconds long. We can assume that all the words in the video are spoken at a constant speed of 1 word per second. William has the entire transcript of the video, composed of N words...