#include<iostream>
using namespace std;
int main()
{
	int a,b,c,i,n;
	cin>>a>>b;
	c<=b&&c>=a;
	for(i=1;i<=n;i++)
	{
			if(c>=10000&&c<=99999)
		if(c/10000==1||2||3||4&&(c/1000-c/10000*10)==1||2||3||4||0&&(c/100-c/10000*100-c/1000*10)==1||2||3||4||0&&(c/10-c/10000*1000-c/100*100)==1||2||3|4||0)
			cout<<c;
		else if(c>=1000&&c<=9999)
		if(c/1000==1||2||3&&(c/100-c/1000*10)==1||2||3||0&&(c/10-c/1000*100-c/100*10)==1||2||3||0&&(c/1-c/1000*1000-c/100*100-c/10*10)==1||2||0)
			cout<<c;
		else if(c>=100&&c<=999)
			if(c/100==1||2&&(c/10-c/100*10)==1||2||0&&(c/1-c/100*100-c/10*10)==1||2||0)
			cout<<c;
		else if(c>=10&&c<=99)
			if(c/10==1&&(c/1-c/10*10)==1||0)
			cout<<c;
		else if(c==0)
			cout<<c;
	}
	return 0;
}