#include<bits/stdc++.h>
using namespace std;
int main()
{
int n,sum=0;
int g,s,b,q,w;cin>>n;
int i=1;
while(i<=n){
	if(i%5==0){
	g=i%10;	
	s=i/10%10;	
	b=i/100%10;
	q=i/1000%10;	
	w=i/10000%10;	
	if(g==5||s==5||b==5||q==5||w==5){
		cout<<i<<endl;sum++;
	}	
	}i++;
}

cout<<sum<<endl;

	return 0;
}

/**************************************************************
	Problem: 1057
	User: zy002
	Language: C++
	Result: Output Limit Exceed
****************************************************************/