1 #include<stdio.h>
2 int m[13];
3 int year(int i)
4 {
5 if(i%400==0||i%4==0&&i%100!=0)
6 return 1;
7 else
8 return 0;
9 }
10 int sum(int y,int mon,int d)
11 {
12
13
14 int ans=0,i;
15 if(year(y))
16 m[2]=29;
17 else
18 m[2]=28;
19 for(i=1;i<y;i++)
20 {
21 if(year(i))
22 ans+=366;
23 else
24 ans+=365;
25 }
26 for(i=1;i<mon;i++)
27 {
28 ans+=m[i];
29 }
30 ans+=d;
31 return ans;
32
33 }
34 int jug(int y,int mon,int d)
35 {
36 if(year(mon))
37 m[2]=29;
38 else
39 m[2]=28;
40 if(m[mon]<d||y<1)
41 return 0;
42 else
43 return 1;
44
45 }
46 int main()
47 {
48 m[1]=m[3]=m[5]=m[7]=m[8]=m[10]=m[12]=31;
49 m[4]=m[6]=m[9]=m[11]=30;
50 int y,m1,d,yy,mm1,dd;
51 scanf("%d %d %d",&y,&m1,&d);
52 scanf("%d %d %d",&yy,&mm1,&dd);
53 if(!jug(y,m1,d)||!jug(yy,mm1,dd))
54 {
55 printf("error\n");
56 return 0;
57 }
58 int s1=sum(y,m1,d);
59 int s2=sum(yy,mm1,dd);
60 printf("%d\n",s2-s1);
61 return 0;
62 }
