#include <bits/stdc++.h>
using namespace std;

using i64 = long long;

int main() {
    cin.tie(nullptr)->sync_with_stdio(false);

#ifdef LOCAL
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#endif

    auto solve = [&]() {
        i64 a, b;
        cin >> a >> b;
        a--, b--;

        int ans = a == b ? 1 : 2;

        for (i64 x = 1, y = a; x < a; x++) {
            while (x * x + y * y > a * a) {
                y--;
            }
            if (x * x + y * y == a * a) {
                if (b * x % a == 0 && b * y % a == 0) {
                    ans += a == b ? 1 : 2;
                }
            }
        }

        cout << ans << '\n';
    };
    
    solve();
    
    return 0;
}