#include <iostream>
using namespace std;
int n;
bool check(int x){
while(x){
int t = x%10;
if(t == 0 || t == 1 || t == 2 || t == 9) return true;
x /= 10;
}
return false;
}
int main()
{
cin >> n;
int res = 0;
for(int i=1;i<=n;i++){
if(check(i)) res += i;
}
cout << res << endl;
return 0;
}