#include<bits/stdc++.h>
using namespace std;
int main(){
  int i,n,s=0,a;
  cin>>n;
  for(i=1;i<=n;i++){
  a=i/1000+i/100%10+i/10%10+i%10;
  if(a%2==0||a%5==0) continue;
  s++;
  }
  cout<<s;
  return 0;
}

/**************************************************************
	Problem: 1395
	User: wtq001
	Language: C++
	Result: Accepted
	Time:17 ms
	Memory:2072 kb
****************************************************************/