#include <iostream>

#include <cmath>

#include <iomanip>

using namespace std;

int main()

{

    ios_base::sync_with_stdio(false);

    cin.tie(0);

    int y1, m1, d1, y2, m2, d2;

    int m[12] = { 0,31,59,90,120,151,181,212,243,273,304,334 };

    int n[12] = { 0,31,60,91,121,152,182,213,244,274,305,335 };

    while (cin >> y1 >> m1 >> d1 >> y2 >> m2 >> d2)

    {

        int a[2] = { 0 };

        a[0] = (y1 - 1) * 365 + (y1 - 1) / 4 - (y1 - 1) / 100 + (y1 - 1) / 400;

        a[1] = (y2 - 1) * 365 + (y2 - 1) / 4 - (y2 - 1) / 100 + (y2 - 1) / 400;

        if (y1 % 4 == 0 && y1 % 100 != 0 || y1 % 400 == 0) a[0] += n[m1 - 1];

        else a[0] += m[m1 - 1];

        if (y2 % 4 == 0 && y2 % 100 != 0 || y2 % 400 == 0) a[1] += n[m2 - 1];

        else a[1] += m[m2 - 1];

        a[0] += d1;

        a[1] += d2;

        cout << fixed << setprecision(0) << fabs(a[0] - a[1]) << "\n";

    }

}

有夠機車的題目