/*
TASK:sum
LANG:C++
*/ 

#include <iostream>

using namespace std;

int a[4];
unsigned long long n;

int main(void)
{a[0]=3;
 a[1]=5;
 a[2]=7;
 a[3]=11;



 cin>>n;
 if(n==1){cout<<0<<endl;return 0;}
 if(n==2){cout<<0<<endl;return 0;}
 unsigned long long c=0;
 if(n%2==1) c++;
 int i;
 int j=n/2+1;
 for(i=0;i<4;i++) 
 {if(a[i]>=j) break;
  if(!(n%a[i])) c++;
 } 
 cout<<c<<endl;
 return 0;
} 
  
