#include<bits/stdc++.h>
/*
#include<atcoder/all>
using namespace atcoder;
using mint = modint1000000007;
*/
//g++ -I/opt/ac-library ./**.cpp
using namespace std;
using ll = long long;
using ull = unsigned long long;
const long long MOD = 1000000007;
const long double PI = 3.14159265358979;
const long long INF = 1LL<<60;
template <typename T> bool chmax(T &a, const T& b){if(a < b){a = b;return true;}return false;}
template <typename T> bool chmin(T &a, const T& b){if(a > b){a = b;return true;}return false;}
ll gcd(ll a, ll b){if (b == 0) return a;else return gcd(b, a % b);}
ll lcm(ll x,ll y){return ll(x/gcd(x,y))*y;}
template<typename T> using min_priority_queue = priority_queue<T, vector<T>, greater<T>>;
#define int long long


int32_t main() { 
    int a, b; cin >> a >> b;
    int ans = 0;


    ans += (((a + a%2)%MOD) * ((b + (b%2))%MOD)) % MOD;
    ans += (((a + !(a%2))%MOD) * ((b + !(b%2))%MOD)) % MOD;

    cout << ans % MOD << endl;
}