import java.util.Scanner;

public class Main {
    
    static Scanner in = new Scanner(System.in);
    
    static int h, w;
    
    static void solve() {
        
        long sum = 0L;
        
        for(int i = 1; i <= Math.min(w, h); ++i) {
            
            sum += (h - i + 1) * (w - i + 1);
            
        }
        
        System.out.println(sum);
        
    }
    
  public static void main(String args[]) {
   
   input();
   solve();
   
  }
  
  private static void input() {
      
      h = in.nextInt();
      w = in.nextInt();
      
      
  }
  
}