救命！

#include<bits/stdc++.h>
using namespace std;

int a,b;
int cnt=0;
int days[]={0,31,28,31,30,31,30,31,31,30,31,30,31};

struct date{
	int look;
	int year=look/10000;
	int month=look/100%100;
	int day=look%100;
}i;

bool isPalin(int n){
	string s="",t="";
	while(n){
		s=s+(char)(n%10);
		n/=10;
	}
	for(int i=s.size()-1;i>=0;i--){
		t=t+s[i];
	}
	return (s==t);
}

void add(){
	int line;
	if(i.month==1 || i.month==3 || i.month==5 || i.month==7 || i.month==8 || i.month==10 || i.month==12){
		line=31;
	}else if(i.month==4 || i.month==6 || i.month==9 || i.month==11){
		line=30;
	}else{
		if(i.year%4==0 && i.year%100!=0 || i.year%400==0){
			line=29;
		}else{
			line=28;
		}
	}
	if(++i.day>line){
		i.day-=line;
		if(i.month==12){
			i.month==1;
			i.year++;
		}else{
			i.month++;
		}
	}
	i.look=(i.year*10000+i.month*100+i.day);
	return;
}

int main(){
	cin>>a>>b;
	for(i.look=a;i.look<b;add()){
		if(isPalin(i.look)){
			cnt++;
		}
	}
	cout<<cnt;
    return 0;
}