算未來日期

 import datetime

y,m,d = map(int,input().split())

dt = datetime.datetime(y, m, d)

td = datetime.timedelta(days=280)

ed = dt + td

s = str(ed.strftime("%Y %m %d"))

y,m,d = map(int,s.split())

print(y,m,d)

input:

1749 9 23↵\r\n

output:

1749 9 23↵\r\n