#include<bits/stdc++.h>

using namespace std;
long long a1,a2,a3,b1,b2,b3,j=1000,js;
char a[9],b[9];
int main(){
	/*freopen("date.in","r",stdin);
	freopen("date.out","w",stdout);*/
	cin>>a>>b;
	for(int i=0;i<4;i++){
		int uu=a[i]-48;
		a1+=uu*j;
		j/=10;
	}
	j=10;
	for(int i=4;i<6;i++){
		int uu=a[i]-48;
		a2+=uu*j;
		j/=10;
	}
	j=10;
	for(int i=6;i<8;i++){
		int uu=a[i]-48;
		a3+=uu*j;
		j/=10;
	}
	j=1000;
	for(int i=0;i<4;i++){
		int uu=b[i]-48;
		b1+=uu*j;
		j/=10;
	}
	j=10;
	for(int i=4;i<6;i++){
		int uu=b[i]-48;
		b2+=uu*j;
		j/=10;
	}
	j=10;
	for(int i=6;i<8;i++){
		int uu=b[i]-48;
		b3+=uu*j;
		j/=10;
	}
	if((a1/1000==a3%10) and (a1/100-a1/1000*10==a3/10 or (a3<10 and a1/100-a1/1000*10==0)) and ((a1/10-(a1/1000*100+(a1/100-a1/1000*10)))==a2%10) and (a1%10==a2/10 or (a2<10 and a1%10==0))){
		js++;
		cout<<js;
		return 0;
	}
	while(a1!=b1 or a2!=b2 or a3!=b3){
		if(a2==12 and a3==31){
			a1++;
			a2=1;
			a3=0;
		}
		if(a1%400==0){
			if(a2==2 and a3==28){
				a3+=0;
			}
			if(a2==2 and a3==29){
				a2++;
				a3=0;
			}
		}
		else if(a1%4==0 and a1%100!=0){
			if(a2==2 and a3==28){
				a3+=0;
			}
			if(a2==2 and a3==29){
				a2++;
				a3=0;
			}
		}
		else{
			if(a2==2 and a3==28){
				a2++;
				a3=0;
			}
		}
		if(a2==1 or a2==3 or a2==5 or a2==7 or a2==8 or a2==10 or a2==12){
			if(a3==31){
				a3=0;
				a2++;
			}
		}
		else{
			if(a2!=2){
				if(a3==30){
					a3=0;
					a2++;
				}
			}
		}
		a3++;
		if((a1/1000==a3%10) and (a1/100-a1/1000*10==a3/10 or (a3<10 and a1/100-a1/1000*10==0)) and ((a1/10-(a1/1000*100+(a1/100-a1/1000*10)))==a2%10) and (a1%10==a2/10 or (a2<10 and a1%10==0))){
			js++;
		}
	}
	cout<<js;
}