<prompt> Sung Si-Bak Hangul: 성시백, Hanja: 成始柏, ; born February 18, 1987, in Seoul, South Korea ari South Korean pfupi njanji nokukurumidza skater. Pa 2007 Winter Universiade, akakunda zvose zvishanu pfupi njanji nokukurumidza skating zviitiko. Sung akakunda makwikwi eWorld Cup anodarika makumi maviri uye akawana mikombe miviri yeWorld Cup, mukuwedzera pakukwikwidza paWorld Championship 5000 m relay zvikwata muna 2007 na2008. Akakwanisa kupinda mumitambo yeOlympic ya2010 muVancouver, British Columbia, Canada. Sung akanga ari mukukwikwidza kuti awane menduru achitungamirira kutenderera kwokupedzisira kwemamita 1500  <response>: chiitiko ikoko, apo kudonha pakati pake nomumwe waaitamba naye kwakatungamirira kumugumo wake munzvimbo yechishanu. 