C++ :

#include <bits/stdc++.h>
using namespace std;
int main() {
 int m,n,ans = 0;
 cin>>m>>n;
 for(int i = m;i <= n;i++){
 int t = i,x;
 while(t != 0){
 x = t % 10;
 if(x == 0 || x == 4 || x == 6 || x == 9){
 ans++;
 }else if(x == 8){
 ans += 2;
 }
 t /= 10;
 }
 }
 cout<<ans;
 return 0;
}