def check(year):
if (year%4 == 0 and year%100 != 0) or year%400 == 0:
return True
else:
return False
month_day = [0,31,29,31,30,31,30,31,31,30,31,30,31]
tot = 1
dp = {}
for y in range(2022,10000):
y_str = str(y)
m = int(y_str[-1:-3:-1])
d = int(y_str[-3::-1])
if 1 <= m and m <= 12:
if month_day[m] >= d and (m != 2 or check(y)):
print(y,".",sep=(""),end=(""))
if m < 10:
print("0",end=(""))
print(m,".",sep=(""),end=(""))
if d < 10:
print("0",end=(""))
print(d)
tot += 1
dp[y]=[y,m,d]
print("这个世界上一共只会有",tot,"次对称日了!\n我们又能见到几次呢?")
cnt = 0
now = int(input("请问今年是?"))
life = int(input("请问您的阳寿还有几年?"))
now_life = now + life
for y in range(now,now_life+1):
if y in dp.keys():
cnt += 1
print("如果你估计的不错的话!\n那你还有",cnt,"次对称年可以见到!")