Problem: Add spaces: Hi,mynameisDarkNightandIam20years.

Spaces added: Hi, my name is DarkNight and I am 20 years.

Problem: Add spaces: SuccessfulBlackjackplayersarealwaysawareoftheissuesdiscussedinthisarticle,andcombinethiswiththeirknowledgeofoptimalstrategy.

Spaces added: Successful Blackjack players are always aware of the issues discussed in this article, and combine this with their knowledge of optimal strategy.

Problem: Add spaces: HighTatramountainsduringwinterinSlovakia

Spaces added: High Tatra mountains during winter in Slovakia

Problem: Add spaces: That’snotentirelytrue,ofcourse.Asidefromsumowrestlers,therearesomeJapanesepeoplewhoarefat—butatleastinmytwo-weektriptoTokyo,theywereprettyhardtofind.

Spaces added:
That’s not entirely true, of course. Aside from sumo wrestlers, there are some Japanese people who are fat — but at least in my two-week trip to Tokyo, they were pretty hard to find.