25 lines
507 B
Python
25 lines
507 B
Python
import io
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import sys
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sys.stdin = io.StringIO('20200202')
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import datetime
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s_in = input()
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year, month, day = int(s_in[:4]), int(s_in[4:6]), int(s_in[-2:])
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now = datetime.date(year, month, day)
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one_day = datetime.timedelta(days=1)
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reverse = True
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while True:
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now += one_day
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s = str(now).replace('-', '')
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if reverse and s[::] == s[::-1]:
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print(s)
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reverse = False
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# ABABBABA
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if s[0] == s[2] == s[5] == s[7] and s[1] == s[3] == s[4] == s[6]:
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print(s)
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break
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