#define _CRT_SECURE_NO_WARNINGS // scanf(), gets() (needed for Visual C++)
//#define NDEBUG
#include <cassert>
#include <iostream>
#include <cstdio>
#include <cstring>
#include <cmath>
#include <algorithm>
#include <functional>
#include <string>
#include <vector>
#include <queue>
#include <set>
#include <map>
#include <unordered_map>
#include <stack>
#include <deque>
using namespace std;
#define MEMSET(x, WITH) memset(x, (WITH), sizeof(x))
#define FOR(i, E) for(int i=0; i<(E); i++)
#define REP(i, LO, HI) for(int i=(LO); i<=(HI); i++)
#define GETINT(x) scanf("%d", &x)
#define GETDBL(x) scanf("%lf", &x)
#define GETSTR(x) scanf("%s", x)
#define NEWINT(x) int x; scanf("%d", &x)
#define NEWDBL(x) double x; scanf("%lf", &x)
#define NEWLN putchar('\n')
#ifdef _WIN32
#define popcnt __popcnt
#else
#define popcnt __builtin_popcount
#endif
typedef long long ll;
const ll MOD = 1000000007;
//const double PI = atan(1) * 4;
int main() {
ll a, b; cin >> a >> b;
a = (a + 2) % MOD;
b = (b + 2) % MOD;
ll ans = (a * b) % MOD;
cout << ans << endl;
return 0;
}
