输入出生的年月日，再输入当前的年月日，求出出生了几天，例如出生年月日为1990-01-01，当前年月日为1990-0101，输出“出生了365天”，-Enter month and year of birth date, month and year and then enter the current date, obtained a few days of birth, such as date of birth as 1990-01-01, the current date of 1990