#1
a,b = map(int,input("请输入两个数:").split(','))
a,b = b,a
print(a,b)
#2
money = int(input("请输入个人总收入:"))
m = money - 1600 # 超出1600的部分
if 0 < m < 500:
r = m * 0.05
elif 500 <= m < 2000:
r = m * 0.1
elif 2000 <= m < 5000:
r = m * 0.15
elif 5000 <= m < 20000:
r = m * 0.2
else:
r = m * 0.35
print("个人收入所得税为:{}".format(r))
#3
list1 = []
for i in range(1, 401):
if i % 5 == 0 and i % 9 == 0:
list1.append(i)
print(list1)
#4
sum = 1 # 芝麻个数,第一个格子的1个
for i in range(2, 130, 2):
sum += i
k = sum * 0.00001
print("所有芝麻的重量为:{}kg".format(k))