该程序实现了万年历的功能，主要功能如下：

⒈适用于从公元一年1 月1日至公元一万年之间所有日期的显示。

２在屏幕上任意输入一年、月，都会显示出一个二维数组，以显示该月所有天数以及每天所对应的星期值；

⒊在屏幕上任意输入一年、月、日，都会显示出该天是星期几。

-The program has a calendar function, the main function is as follows: ⒈ apply to the display of all dates from January 1, AD year AD years. Two arbitrary input on the screen a year, month, will show a two-dimensional array to display all the days of the month as well as the daily value of the corresponding week　⒊ year, month, day, any input on the screen will show This day is the day of the week.