 Complete the following phrase:  At the 2008 Summer Olympics in Beijing, Yang extended her swimming program to four events, including the butterfly double. On the first day of the competition, she swam the second heat to third place and forty-third overall in the 100 m butterfly at 1:01.60, edging out Turkeys Iris Rosenberger in a sprint race by close 0.07-second margin. The following day, Yang placed fortieth in the 400 m freestyle, with a time of 4:24.78, and was able to attain her well-improved time of 2:02.84, for a 37th-place finish in the 