for i in range(1,85):
if 168 % i ==0:
j=168/i
if i>j and (i+j)%2==0 and (i-j)%2==0:
m=(i+j)/2
n=(i+j)/2
x=n*n-100
print(x)
year=int(input('请输入年份(数字):'))
month=int(input('请输入月份(数字):'))
day=int(input('请输入哪天(数字):'))
num=0
months=[0,31,59,90,120,151,181,212,243,273,304,334]
if 0<month<=12:
sum=months[month-1]
sum+=day
if (year%400==0) or (year%4==0) and (year%100!=0):
num=1
if num==1:
sum+=1
print('这是'+str(year)+'年的第'+str(sum)+'天。')
else:
print('请输入正确的月份。')
...全文