RT

#include<bits/stdc++.h>
using namespace std;
int main() {
	char a[10];
	int y1,d1,m1,y2,d2,m2,dt[13]= {0,31,28,31,30,31,30,31,31,30,31,30,31},r,ans=0;
	cin>>a;
	y1=a[3]-'0'+(a[2]-'0')*10+(a[1]-'0')*100+(a[0]-'0')*1000;
	m1=(a[5]-'0')+(a[4]-'0')*10;
	d1=(a[7]-'0')+(a[6]-'0')*10;
	cin>>a;
	y2=a[3]-'0'+(a[2]-'0')*10+(a[1]-'0')*100+(a[0]-'0')*1000;
	m2=(a[5]-'0')+(a[4]-'0')*10;
	d2=(a[7]-'0')+(a[6]-'0')*10;
	for(int i=1; i<=12; i++) { //month
		for(int i2=1; i2<=dt[i]; i2++) { //day
			r=(i/10)+(i%10)*10+(i2/10)*100+(i2%10)*1000;
			if(y1<r&&r<y2) ans++;
			if(y1==r) { //toyear
				if(y1<i)ans++;
				if(y1==i&&d1<i2)ans++;
			} else if(y2==r) {
				if(y1>i)ans++;
				if(y1==i&&d1>i2)ans++;
			}
		}
	}
	if(y1<9200&&y2>9200||(y1==9200&&m1>2&&(y2<9200||m2<2)))ans++;
	cout<<ans;
	return 0;
}