This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <string>
#include <cmath>
#include <iostream>
#include <cstdio>
#include <algorithm>
#include <vector>
#include <list>
#include <stdio.h>
#include <string.h>
using namespace std;
int main()
{
	long long int h, w;
	long long int a, b, c, d;
	cin >> h >> w;
	h %= 1000000007;
	w %= 1000000007;
	a = h + 1;
	b = w + 1;
	c = 2 * w + 1;
	d = 2 * h + 1;
	cout << ((3*b-c)*(3*a-d)) % 1000000007 << endl;
	return 0;
}
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