"""
输入日期， 判断这一天是这一年的第几天？
"""

import datetime

def dayofyear():
    year = input("请输入年份：")
    month = input("请输入月份：")
    day = input("请输入天：")
    date1 = datetime.date(year=int(year), month=int(month), day=int(day))
    date2 = datetime.date(year=int(year), month=1, day=1)
    return (date1-date2).days+1

print(dayofyear())    
