#include <bits/stdc++.h>
#define F first
#define S second
#define pb push_back
#define all(x) x.begin(),x.end()
#define FASTIO ios_base::sync_with_stdio(false), cin.tie(0)
#define txin ifstream cin("input.txt")
#define txout ofstream cout("output.txt")
using namespace std;
typedef long long ll ;
typedef long double ld;
typedef pair<int,int> pii ;
//mt19937 r(chrono::steady_clock::now().time_since_epoch().count()) ;
const int MAXN = 1e6 + 10;
const int MOD = 1e9 + 7;
 
 
int32_t main(){
	FASTIO;
	
	ll a, b;
	cin >> a >> b;
	a--;b--;
	if(a > b)
		swap(a,b);
	
	if(a%b!=0 && b%a!=0){
		if(a == b)
			cout << 1<< endl;
		else
			cout << 2<< endl;
	}
	else{
		//~ a <= b
		ll f=0;
		for(ll i=1; i< a; i++){
			long double k = sqrtl(a*a - i*i);
			ll kk= floor(k);
			if(kk*kk == a*a - i*i){
				f++;
			}
		}
		if(a==b)
			cout << f + 1 << endl;
		else
			cout << 2*f + 2 << endl;
	}
    return 0;
}