#include<bits/stdc++.h>
using namespace std;
int,a,b,n,t,m[1000000],l=0,sum=0;
int main(){
	cin>>a>>b;
	for(int i=a;i<=b;i++){
		m[l]=i
		t=i;
		(string)t;
		n=strlen(t)
		for(int j=0;j<=n;j++){
			if(m[l]=j and l=0 and j==0){
				break;
			}else if(m[l]=j){
				
			}
			
		}
		l++
	}
	return 0;
}