future by compounding the interest for each year
he saves.  Print an integer answer without rounding. Answers for the test
data are guaranteed to fit into a signed 32 bit integer.

看了样例输入输出就知道怎么回事了..........</div></div></div></div><div class="row"><div class="column"><h4 class="ui top attached block header">输入格式</h4><div class="ui bottom attached segment font-content"><div style="position: relative; overflow: hidden;"><div class=content>* Line 1: Three space-separ