Input (grade 13): Lech Aleksander KaczyÅ ski (; 18 June 1949 - 10 April 2010) was the President of Poland from 2005 until his sudden death in 2010, and a politician of the party Prawo i SprawiedliwoÅ Ä (Law and Justice, PiS).
Output (grade 10): '(18 June 1949 - 10 April 2010) was the President of the Republic of Poland from 2005 until his death in a plane crash in Smolensk, Russia on 10 April 2010.