import java.io.*;

import java.util.Scanner;

public class Third {
    static Scanner in = new Scanner(System.in);
    static PrintWriter out = new PrintWriter(System.out, true);



    public static void main(String[] args) {
        int n = in.nextInt(), m = in.nextInt(), k;

        k=(n+1)*(m+1)*n*m / 4;

        out.print(k);
        out.close();
  }
}