#include<cstdio>        int isRunNian(int year);        int DiJiTian(int year,int month,int day);        void swap(int *a,int *b);        int main()        {            int year1,month1,day1;            int year2,month2,day2;            int sum=0;            scanf("%d%d%d",&year1,&month1,&day1);            scanf("%d%d%d",&year2,&month2,&day2);            if(year1==year2)            {                sum = DiJiTian(year1,month1,day1) - DiJiTian(year2,month2,day2);                 if(sum<0)                    sum=-sum;            }            else            {                if(year1 > year2)                {                    swap(&year1,&year2);                    swap(&month1,&month2);                    swap(&day1,&day2);                }                int a,b,c;                if(isRunNian(year1))                    a=366-DiJiTian(year1,month1,day1);                else                    a=365-DiJiTian(year1,month1,day1);                                b=0;                int i;                for(i=year1+1;i<year2;i++)                {                    if(isRunNian(i))                        b+=366;                    else                        b+=365;                }                                c=DiJiTian(year2,month2,day2);                                sum=a+b+c;            }                        printf("%d\n",sum);            return 0;        }                                /*判断闰年的函数*/        int isRunNian(int year)        {            if(year%400==0||(year%4==0&&year%100!=0))                return 1;            else                return 0;        }                 /*判断这一天是这一年的第几天函数*/        int DiJiTian(int year,int month,int day)        {            int i,sum=0;            for(i=1;i<month;i++)//step1            {                if(i==1||i==3||i==5||i==7||i==8||i==10||i==12)                    sum+=31;                else if(i==4||i==6||i==9||i==11)                    sum+=30;                else if(i==2)                {                    if(isRunNian(year))                        sum+=29;                    else                        sum+=28;                }            }            sum+=day;//step2            return sum;//step3        }                /* 交换两个变量的值的函数 */        void swap(int *a,int *b)        {            int c;            c=*a;            *a=*b;            *b=c;        }