> #include<iostream>
> using namespace std;
> int main()
> {
>     int n,i;
>     scanf("%d",&n);    
>     int ct = 0;
>     for(i=3;i<=n;i+=2)
> 	{
> 		if(n%i==0) ct++;
> 	}
>     printf("%d\n",ct+1);
>     return 0;
> }