题解 | #求小球落地5次后所经历的路程和第5次反弹的高度#

import sys


def do(hight, num):
    l_down_hight = []
    l_up_hight = [] 
    total_hight = 0 
    end_up_hight = 0 
    for i in range(num):
        # 计算落下的高度
        l_down_hight.append(hight/(2**i))
        # 计算上弹的高度
        l_up_hight.append(hight/(2**(i+1)))
    total_hight = sum(l_down_hight) + sum(l_up_hight) - l_up_hight[-1]
    end_up_hight = l_up_hight[-1]
    return total_hight, end_up_hight

if __name__ == '__main__':
    hight = int(sys.stdin.readline().strip()) 
    num = 5
    result = do(hight, num)
    print(result[0])
    print(result[1])