import datetime
def get_week_day(date):
    week_day_dict = {
      0 : '星期一',
      1 : '星期二',
      2 : '星期三',
      3 : '星期四',
      4 : '星期五',
      5 : '星期六',
      6 : '星期天',
    }
    day = date.weekday()
    after = input("请输入你的学号：")
    i = 0
    add = ''
    while i < len(after):
        if i < len(after)-2:
            i += 1
        else:
            add = add + after[i]
            i += 1
    afterday = (day + int(add)) % 7
    return week_day_dict[afterday]

print(get_week_day(datetime.datetime.now()))