Complex sentence: On December 7,2012, Lanskaya won the national final, gaining top marks from both the public and jury vote, and will represent Belarus in the Eurovision Song Contest 2013 in Malmö, Sweden.
Split into simpler sentences: On December 7,2012, Lanskaya won the national final, gaining top marks from both the public and jury vote. And will represent Belarus in the Eurovision Song Contest 2013 in Malmö, Sweden.