int main()
{
	int a1,a2,a3,b1,b2,b3,t1,t2,d;
	scanf("%d%d%d",&a1,&a2,&a3);
	scanf("%d%d%d",&b1,&b2,&b3);
	if ((a1%4==0&&a1%100!=0)||(a1%400==0))
	{
		if(a2<=2)
			t1=(a2-1)*31+a3;
		else if (a2<=7)
		{
			if (a2%2==1)
				t1=(a2-2)/2*61+a3+60;
			else 
				t1=((a2-2)/2-1)*61+a3+31+60;
		}
		else if (a2>7)
		{
			if (a2%2==1)
				t1=213+((a2-7)/2-1)*61+31+a3;
			else
				t1=213+(a2-7)/2*61+a3;
		}
		if ((b1%4==0&&b1%100!=0)||(b1%400==0))
		{
			if(b2<=2)
				t2=(b2-1)*31+b3;
			else if (b2<=7)
			{
				if (b2%2==1)
					t2=(b2-2)/2*61+b3+60;
				else 
					t2=((b2-2)/2-1)*61+b3+31+60;
			}
			else if (b2>7)
			{
				if (b2%2==1)
					t2=213+((b2-7)/2-1)*61+31+b3;
				else
					t2=213+(b2-7)/2*61+b3;
			}
		d=(b1-a1)*(366+365*3)/4+t2-t1;
		}
		else
		{
			if(b2<=2)
				t2=(b2-1)*31+b3;
			else if (b2<=7)
			{
				if (b2%2==1)
					t2=(b2-2)/2*61+b3+60-1;
				else 
					t2=((b2-2)/2-1)*61+b3+31+60-1;
			}
			else if (b2>7)
			{
				if (b2%2==1)
					t2=213+((b2-7)/2-1)*61+31+b3-1;
				else
					t2=213+(b2-7)/2*61+b3-1;
			}
		d=((b1-a1)/4)*(366+365*3)+(b1-a1-((b1-a1)/4)*4)*366+t2-t1;
		}

	}
	else 
	{
		if(a2<=2)
			t1=(a2-1)*31+a3;
		else if (a2<=7)
		{
			if (a2%2==1)
				t1=(a2-2)/2*61+a3+60-1;
			else 
				t1=((a2-2)/2-1)*61+a3+31+60-1;
		}
		else if (a2>7)
		{
			if (a2%2==1)
				t1=213+((a2-7)/2-1)*61+31+a3-1;
			else
				t1=213+(a2-7)/2*61+a3-1;
		}
		if ((b1%4==0&&b1%100!=0)||(b1%400==0))
		{
			if(b2<=2)
				t2=(b2-1)*31+b3;
			else if (b2<=7)
			{
				if (b2%2==1)
					t2=(b2-2)/2*61+b3+60;
				else 
					t2=((b2-2)/2-1)*61+b3+31+60;
			}
			else if (b2>7)
			{
				if (b2%2==1)
					t2=213+((b2-7)/2-1)*61+31+b3;
				else
					t2=213+(b2-7)/2*61+b3;
			}
		d=((b1-a1)/4)*(366+365*3)+(b1-a1-((b1-a1)/4)*4)*365+t2-t1;
		}
		else
		{
			if(b2<=2)
				t2=(b2-1)*31+b3;
			else if (b2<=7)
			{
				if (b2%2==1)
					t2=(b2-2)/2*61+b3+60-1;
				else 
					t2=((b2-2)/2-1)*61+b3+31+60-1;
			}
			else if (b2>7)
			{
				if (b2%2==1)
					t2=213+((b2-7)/2-1)*61+31+b3-1;
				else
					t2=213+(b2-7)/2*61+b3-1;
			}
		d=(b1-a1)/4*(366+365*3)+(b1-a1-((b1-a1)/4)*4)*365+t2-t1;
		}
	}
         if ((b1-a1)>=100)
         d=d-1;
	printf("%d\n",d);
	return 0;
}