#include <bits/stdc++.h>
using namespace std;
int n;
int main(){
    scanf("%d",&n);
    int sum = 0;
    for (int i = 1; i <= n; ++i) {
        string s = to_string(i);
        if (s.find('2') != string::npos || s.find('0') != string::npos || s.find('1') != string::npos || s.find('9') != string::npos){
            sum += stoi(s);
        }
    }
    printf("%d\n",sum);
    return 0;
}