Subtract (1/2) of it from 2006, then subtract the remaining (1/3), then subtract the remaining (1/4), then subtract the remaining (1/5)...and so on, Subtract the remaining (1/2006) until 2006 times, how much is left in the end.
从2006中减去它的(1/2)，再减去余下的(1/3)，再减去余下的(1/4)，再减去余下的(1/5)…依此类推，一直到2006次减去余下的(1/2006)，最后剩下多少．
<result>1</result>