void main()
{
	int sy,sm,sd,ey,em,ed,d;
	scanf("%d%d%d",&sy,&sm,&sd);
    scanf("%d%d%d",&ey,&em,&ed);
	d=0;
	for(;;)
	{
			if(sy==ey&&sm==em&&sd==ed)
		{
			break;
		}
		if(sm==1||sm==3||sm==5||sm==7||sm==8||sm==10||sm==12)
		{
			if(sm==12&&sd==31)
			{
				sy++;
				sm=1;
				sd=1;
				d++;
				continue;
			}
			if(sd==31)
			{
				sm++;
				sd=1;
				d++;
				continue;
			}
			else
			{
				sd++;
				d++;
				continue;
			}

		}
		if(sm==4||sm==6||sm==9||sm==11)
		{
			if(sd==30)
			{
				sm++;
				sd=1;
				d++;
				continue;
			}
			else
			{
				sd++;
				d++;
				continue;
			}			
		}
		if(sm==2)
		{
			if((sy % 4 == 0 && sy % 100 != 0) || (sy % 400 == 0) )
			{
				if(sd==29)
				{
					sm++;
					sd=1;
					d++;
					continue;
				}
				else
				{
					sd++;
					d++;
			 		continue;
				}	
			}
			else
			{
				if(sd==28)
				{
					sm++;
					sd=1;
					d++;
					continue;
				}
				else
				{
					sd++;
					d++;
					continue;
				}			
			}
		}

	}
	printf("%d",d);
}