def count_square_subgrids(H, W):
    max_square_size = min(H, W)
    total_count = 0
    
    for n in range(1, max_square_size + 1):
        subgrids_count = (H - n + 1) * (W - n + 1)
        total_count += subgrids_count
    
    return total_count

H, W = map(int,input().split())
print(count_square_subgrids(H, W))