#include<iostream>
#include<string>
#include<vector>
using namespace std;

int main() 
{
	while (1) {
		int a, b, c, d, e, f;
		cin >> a >> b >> c >> d >> e >> f;
		if (a < 0 || b < 0 || c < 0 || d < 0 || e < 0 || f < 0)break;
		int l, r; l = r = 0;
		for (int g = 1; g < a; g++) {
			if (g % 400 == 0) l += 366;
            else	if (g % 100 == 0)l += 365;
            else    if (g % 4 == 0) l += 366;
            else l += 365;
		}
		for (int g = 1; g < b; g++) {
			switch (g) {
			case 1:case 3:case 5:case 7:case 8:case 10:case 12:l += 31; break;
			case 4:case 6:case 9:case 11: l += 30; break;
			case 2:if (a % 400 == 0) l += 29;
				   else	if (a % 100 == 0)l += 28;
				   else    if (a % 4 == 0) l += 29;
				   else l += 28;
			}
		}
		l += c;
		for (int g = 1; g < d; g++) {
			if (g % 400 == 0) r += 366;
			else	if (g % 100 == 0)r += 365;
			else    if (g % 4 == 0) r += 366;
			else r += 365;
		}
		for (int g = 1; g < e; g++) {
			switch (g) {
			case 1:case 3:case 5:case 7:case 8:case 10:case 12:r += 31; break;
			case 4:case 6:case 9:case 11: r += 30; break;
			case 2:if (d % 400 == 0) r += 29;
				   else	if (d% 100 == 0)r += 28;
				   else    if (d % 4 == 0) r+= 29;
				   else r += 28;
			}
		}
		r += f;
		cout << r - l << endl;
	}
}