#include <iostream>
using namespace std;
int y[2],m[2],d[2];
int d31[7] = {1,3,5,7,8,10,12};
int d30[4] = {4,6,9,11};
bool flg,uru,eq;


void check() {
  uru = 0;
  if(y[0] % 4 == 0)
    if(y[0]%100 !=0) uru = 1;
  
  if(y[0]%400 == 0) uru = 1;
}


int main() {


  while(1) {
    
    for(int i=0;i<2;i++) cin >> y[i] >> m[i] >> d[i];
    if(y[0] == -1 && d[0] == -1) break;
    check();
    int count = 0;
    while(1) {
      //      cout << y[0] <<" " <<  m[0] <<" " << d[0] << endl; 
      if(y[0] == y[1] && m[0] == m[1] && d[0] == d[1]) break;
    
      flg = 0;
      for(int i=0;i<4;i++)
	if(d30[i] == m[0])flg = 1;
      
      if(m[0] == 2 && d[0] == 28 && uru == 0) {
	m[0]++;
	d[0] = 0;
      } else if(m[0] == 2 && d[0] == 29){
	m[0]++;
	d[0] = 0;
      } else if(d[0] == 30 && flg == 1) {
	m[0]++;
	d[0]=0;
      } else if(d[0] == 31) {
	m[0]++;
	d[0]=0;
      
	if(m[0] == 13) {
	  m[0] = 1;
	  y[0]++;
	  check();
	}
      }
      count++;
      d[0]++;
    }
     
    cout << count << endl;
    
  }
  
  
}