#include <bits/stdc++.h>
using namespace std;


int main(){
	int i,g,s,b,q,n,x,c;
	cin>>n;
	c = 0;//计数器 
	for(i = 1;i <= n;i++){
		q = i / 1000;
		b = i / 100 % 10;
		s = i / 10 % 10;
		g = i % 10;
		x = q + b + s + g;
		if(x % 2 != 0 && x % 5 != 0){
			//cout<<i<<endl;
			c++; 
		}
	}
	cout<<c<<endl;
	
}

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