//  M. Triangle Construction

#include<bits/stdc++.h>

using namespace std;

int check(int a) {

}

int main() {

    ios::sync_with_stdio(false);

    int a, b;
    cin >> a >> b;
    a--;
    b--;
    if (a > b)swap(a, b);
    int num = 1;
    num += (a != b);

    int p1 = 0, p2 = 0;
    for (int i = 1; i <= a; i++) {
        int j = sqrt(a);
        for (int k = max(1, j - 2); k <= j + 2; k++) {
            if (k * k + i * i == a * a) {
                p1 = k;
                p2 = i;
            }
        }
    }

    if (b / a * a == b && p1 != 0) {
        num += 2;
        if (p1 != p2) {
            num += 2;
        }
    }
    cout << num;


    return 0;
}