#include <iostream>
using namespace std;
int TS(int year,int month)
{
bool rn=0;
int day;
if((year%4==0 && year%100!=0) || year%400==0)
{
rn=1;
}
if(month==2)
{
if(rn) day=29;
else day=28;
}
else if(month==1 || month==3 || month==5 || month==7 || month==8 || month==10 ||month==12)
{
day=31;
}
else day=30;
return day;
}
int main(){
int date1,date2;
cin>>date1>>date2;
int date,year;
int ans=0;
for(year=date1/10000;year<=date2/10000;year++)
{
date=year*10000+year%10*1000+year%100/10*100+year%1000/100*10+year/1000;
if(date>=date1 && date<=date2 && date%10000/100>0 && date%10000/100<=12 && date%100<=TS(year,date%10000/100))
{
ans++;
}
}
cout<<ans;
return 0;
}

#include<iostream>
#include<cstdio>
#include<cstring>
using namespace std;
char str[10],temp[10];
int n;
bool vis[10];
void dfs(int step)
{
if(step==n)
{
temp[step]='\0';
cout<<temp<<endl;
}

for(int i=0;i<n;i++)
if(vis[i]==0)
{
vis[i]=1;
temp[step]=str[i];
dfs(step+1);
vis[i]=0;
}
}
int main()
{
memset(vis,0,sizeof(vis));
cin>>str;
n=strlen(str);
dfs(0);
return 0;
}