#include <iostream>
#include <fstream>
#include <set>
#include <utility>

using namespace std;

struct Point {
    int x, y;
    bool operator<(const Point& other) const {
        if (x != other.x) return x < other.x;
        return y < other.y;
    }
};

int main() {
    ifstream inFile("dreptunghiuri.in");
    ofstream outFile("dreptunghiuri.out");

    int m, n;
    inFile >> m >> n;

    set<Point> points;
    for (int i = 0; i <= m; ++i) {
        for (int j = 0; j <= n; ++j) {
            points.insert({i, j});
        }
    }

    int count = 0;
    for (auto p1 = points.begin(); p1 != points.end(); ++p1) {
        for (auto p2 = next(p1); p2 != points.end(); ++p2) {
            for (auto p3 = next(p2); p3 != points.end(); ++p3) {
                for (auto p4 = next(p3); p4 != points.end(); ++p4) {
                    if (p1->x + p4->x == p2->x + p3->x && p1->y + p4->y == p2->y + p3->y) {
                        ++count;
                    }
                }
            }
        }
    }

    outFile << count << endl;

    inFile.close();
    outFile.close();

    return 0;
}