#include"iostream"
#include"math.h"
using namespace std;
int main()
{
    int n,time=0,mid;
    freopen("2140.txt","r",stdin);
    freopen("02140.txt","w",stdout);
    cin>>n;
    for(int i=1;i<=n/2;i++)
    { 
        if((1-4*(i-i*i-2*n))>=0)
        {
         mid=(int)sqrt((double)(1-4*(i-i*i-2*n)));
         mid=(mid-1)/2;
          if(n==(i+mid)*(mid-i+1)/2&&mid>i)
          time++;}
     }    
     time++;
cout<<time<<endl;
  }