题目：输入某年某月某日，判断这一天是这一年的第几天？

1.程序分析：以3月5日为例，应该先把前两个月的加起来，然后再加上5天即本年的第几天，特殊

　　　　　　情况，闰年且输入月份大于3时需考虑多加一天-Title: enter a certain period of a day, this is the one to judge the first few days this year? 1. Program Analysis: The March 5 as an example, should the first two months of the combined first, and then five days together with the first few days of this year, the special circumstances of the importation of leap year and the month when more than 3 considered more a day