#!/usr/bin/python
#-*- coding:utf-8 -*-

#**********************************************************
#Filename: 186_log.py
#Author: Andrew Wang - shuguang.wang1990@gmail.com
#Description: ---
#Create: 2016-11-02 12:02:44
#Last Modifieda: 2016-11-02 12:02:44
#*********************************************************

import math
print math.log(10)
print math.log(64,2)
