#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("tort.in");
ofstream fout("tort.out");
unsigned long long int n,k,i,j,a,b,ok,total,x,y,t=1000000000,c,d,tt=1000000000000000000;

int main()
{
    fin >> a >> b;
    a++;
    b++;
    c = a + b;
    if(!(a%2))
        a/=2;
    else
        if(!(b%2))
            b/=2;
        else
            c/=2;
    i = (a*b) % t;
    j = (a*b) / t;
    d = (i * c);
    c = (j * c) + (d / t);
    if(c)
        fout << c << d;
    else   fout << d;
    return 0;
}