/*
TASK:rtri
LANG:C++
*/
/*
  Name: B3 rtri
  Author: Radoslav Rachev Varna
  Date: 11/11/06 09:48
  Description: Esenen Shumen 10-12.11.2006
*/
#include <stdio.h>
using namespace std;
int main ()
{
    int n,m,i,j,all=0;
    scanf ("%d %d",&n,&m);
    for (i=1;i<=n;i++)
        for (j=1;j<=m;j++)
            all+=4*(n-i+1)*(m-j+1);   //I vid
    for (i=2;i<=n;i+=2)      //II vid
        all+=2*(n-i+1)*(m-i/2+1);
    for (i=2;i<=m;i++)           
        all+=2*(m-i+1)*(n-i/2+1);
    printf ("%d\n",all);
    return 0;
}
