暴力出奇迹
#include <bits/stdc++.h>
using namespace std;
long long ans;
int main() {
int n;
cin >> n;
for (int i = 1; i <= n; i ++) {
int a = i;
while(a) {
int x = a % 10;
if (x == 2 || x == 0 || x == 1 || x == 9) {
ans += i;
break;
}
a /= 10;
}
}
cout << ans;
return 0;
}