#include <stdio.h> int main() { int year=0; int mouth=0; int day[]={0,31,28,31,30,31,30,31,31,30,31,30,31};//利用数组储存月份天数 while(scanf("%d%d",&year,&mouth)!=EOF) { if(year%4==0 && year!=100 || year%400==0)//判断闰年 { if(mouth...