# -*- coding: utf-8 -*-
"""
Created on Tue Sep 15 11:08:17 2020

@author: Sim
"""

ndays = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
weekdays = [ 'Sat', 'Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri']

# input_str = input("연월일을 yyyy-mm-dd 형식으로 입력하세요: ")
input_str = "0001-02-01"
input_str = "2020-09-15"

mydate = input_str.split("-")
mydate = map(int, mydate)
year, month, day = mydate

n29s = ((year-1) // 4) - ((year-1) // 100) + ((year-1) //400)
print("29s", n29s)
acumdays = (year-1)*365 + n29s

for i in range(month-1):
  acumdays = acumdays + ndays[i]
acumdays = acumdays + day

print(acumdays)
res = acumdays % 7 
print(res, input_str, weekdays[res])

for i in range(0): print("iii")