#include<stdio.h> int func(int y,int m) { static int arr[] = {0,31,28,31,30,31,30,31,31,30,31,30,31 }; if( m == 2 && ((y % 4 == 0 && y % 100 != 0) || y % 400 == 0)) { return 29; } else { return arr[m]; } } int main() { int y,m; while(scanf("%d%d",&y,&m) != EOF...