In Chinese traditional marriage rites, the engagement day and wedding day are not on the same day. Someday, Huang, Xiao-Wei gleefully picks up two days, he is quite looking forward to the wedding day. He prepares to counting down the coming of the wedding day after getting engaged. Can you help him reckon up how many days between the engagement day and the wedding day?
Each case include two line. First line is engagement day and second line is wedding day. Date format reference Common Era date.
For each case, output how many days between the engagement day and the wedding day in one line. And please add a “newline” in the end of the output.
2011 11 11
2011 11 15
2012 2 25
2012 3 2
2013 1 4
2013 5 20
Leap year: https://en.wikipedia.org/wiki/Leap_year
If you use '%' in your program, remember to leave a space in your code.