#include<iostream>
#include<cstring>
#include<algorithm>
#include<vector>
#include<cstdio>
#include<cmath>
#define pb(in,tmp) in.push_back(tmp)
#define loop(i,a,b) for(int i=a;i<b;i++)
#define rep(i,b) loop(i,0,b)
#define all(in) in.begin(),in.end()
using namespace std;
int leapyear(int year){
  return (year%4!=0||(year%100==0&&year%400!=0) ?0:1);
}
int main(){
int y1,m1,d1,y2,m2,d2;
while(cin>>y1>>m1>>d1>>y2>>m2>>d2,y1>0&&y2>0&&m1>0&&m2>0&&d1>0&&d2>0){
long long int sum=-d1;
while(1){
if(y1==y2&&m1==m2){sum+=d2;break;}
if(y1<=y2){
    switch(m1){
    case  1:
    case  3:
    case  5:
    case  7:
    case  8:
    case 10:
    case 12:sum+=31;break;
    case  4:
    case  6:
    case  9:
    case 11:sum+=30;break;
    case  2:sum+=28+leapyear(y1);break;
    }
	m1++;
	if(m1>12){y1++;m1=1;}
}
}
cout<<sum<<endl;
}
}