#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < (n); i++)
using namespace std;
typedef long long ll;

int main(){
    cin.tie(0);
    ios::sync_with_stdio(0);
    
    ll A,B; cin >> A >> B;
    ll EVEN = 1, ODD = 1, MOD = 1e9+7;
    EVEN *= (A + (A % 2 == 0)) % MOD; EVEN %= MOD;
    EVEN *= (B + (B % 2 == 0)) % MOD; EVEN %= MOD;
    ODD  *= (A + (A % 2 == 1)) % MOD; ODD  %= MOD;
    ODD  *= (B + (B % 2 == 1)) % MOD; ODD  %= MOD;
    cout << (EVEN + ODD) % MOD << endl;
}