#include <stdio.h>
#include <bits/stdc++.h>
#include <atcoder/all>
using namespace atcoder;
using mint = modint1000000007;
using namespace std;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf 1000000001

int main(){

	int N;
	cin>>N;
	
	if(N==1)cout<<12<<endl;
	else if(N==2)cout<<65<<endl;
	else if(N==3)cout<<172<<endl;
	else{
		N-=3;
		mint ans = 91;
		ans *= N;
		ans += 172;
		mint t = N;
		t *= N+1;
		t /= 2;
		t *= 34;
		ans += t;
		cout<<ans.val()<<endl;
	}
		
    return 0;
}