[PTA] 7-12 Date Format (5 minutes)

Different countries have different habits of writing the date in the world. Such as the Americans used to write "Month - Day - Year", and the Chinese people are used to write "year - month - day." Below you please write a program that automatically read the format of the date the United States rewrite the date of Chinese habits.

Input formats:
input given month in accordance with the "mm-dd-yyyy" format in a row, day, and year. Topic guarantee date given is 1900 New Year's Day has a legitimate date.

Output formats:
given year, month, day in accordance with the "yyyy-mm-dd" format in a row.

Sample input:
03-15-2017

Sample Output:
2017-03-15

#include <stdio.h>
int main()
{
    int mm,dd,yyyy;
    scanf("%d-%d-%d",&mm,&dd,&yyyy);
    printf("%d-%02d-%02d",yyyy,mm,dd);

return 0;
}

Tips:% 02d represent two fixed output, auto-fill 0