Complex sentence: Park, as an Olympic and Asian Games medalist, has been granted an exemption from two years of mandatory military service, however is still required to undergo four weeks of basic training, which he reported for on October 4,2012.
Split into simpler sentences: Park, as an Olympic and Asian Games medalist, was granted an exemption from two years of mandatory military service. However, he was still required to undergo four weeks of basic training, which he reported for on October 4,2012.