include[HTML_REMOVED]
using namespace std;
int pn[]={31,28,31,30,31,30,31,31,30,31,30,31},rn[]={31,29,31,30,31,30,31,31,30,31,30,31};
int main()
{
int a,b;
while(cin>>a>>b)
{
int sum1=0,sum2=0;
for(int i=0;i<a/10000;i)
{
if(i%400==0||(i%100!=0&&i%4==0))
sum1+=366;
else sum1+=365;
}
for(int i=0;i<a/100%100-1;i)
{
if(a/10000%400==0||(a/10000%100!=0&&a/10000%4==0))
sum1+=rn[i];
else sum1+=pn[i];
}
sum1+=a%100;
for(int i=0;i<b/10000;i)
{
if(i%400==0||(i%100!=0&&i%4==0))
sum2+=366;
else sum2+=365;
}
for(int i=0;i<b/100%100-1;i)
{
if(b/10000%400==0||(b/10000%100!=0&&b/10000%4==0))
sum2+=rn[i];
else sum2+=pn[i];
}
sum2+=b%100;
cout<<abs(sum1-sum2)+1;
}
return 0;
}