971 B | 971 chars
import sys
from math import sqrt, pi, sin, factorial
inp = lambda : sys.stdin.readline()[:-1].strip()
mii = lambda x = " " : [*map(int,inp().split(x))]
mfi = lambda x = " " : [*map(float,inp().split(x))]
ii = lambda : int(inp())
fi = lambda : float(inp())
p = print
def solve():
s = input()
d = int(s[:2])
m = int(s[2:4])
y = int(s[4:7])
y2 = 2000 + y if y <= 599 else 1000 + y
author = int(s[7])
chk = int(s[8])
if m < 1 or m > 12:
return 0
if author not in [1, 6, 9]:
return 0
sm = 0
for i in s[:-1]:
sm += int(i) ** 2
if sm % 7 != chk:
return 0
leap_year = y2 % 4 == 0 and (y2 % 100 != 0 or y2 % 400 == 0)
month_days = [
31, (29 if leap_year else 28), 31, 30,
31, 30, 31, 31,
30, 31, 30, 31
]
if d < 1 or d > month_days[m - 1]:
return 0
return 1
if __name__ == "__main__":
tc = 3
for t in range(1, tc+1):
d = solve()
p(d)