#include<stdio.h>
int main()
{
    int H,W;
    scanf("%d %d",&H,&W);
    int k;
    int ans=0;
    if (H<=W)
    {
        k=H;
    }
    else
    {
        k=W;
    }
    for (int i=1; i<=k; i++)
    {
        int count;
        count=(H-i+1)*(W-i+1);
        ans=ans+count;
    }
    printf("%d",ans);
    return 0;
}