#include<bits/stdc++.h>
using namespace std;
#define int long long
const int N=1e6+10;

signed main()
{
	int t=1;
	//cin>>t;
	while(t--)
	{
	  int a,c;
	  cin>>a>>c;
	  int x=a-c,ans=0;
	  for(int i=1;i*i<=x;i++)
	  {
	  	if(x%i!=0)continue;
	  	int y=x/i;
	    if(a%i==c&&c<i)ans++;
	    if(a%y==c&&c<y)ans++;
	    if(y==i&&a%i==c&&c<y)ans--;
	  }
	  if(!x)cout<<"Thisislong"<<'\n';
	  else cout<<ans<<'\n';
	}
}