#include <bits/stdc++.h>
using namespace std;
const long long MOD = 1000000007;
int main(){
  long long N;
  cin >> N;
  if (N == 0){
    cout << 1 << endl;
  } else if (N == 1){
    cout << 12 << endl;
  } else if (N == 2){
    cout << 65 << endl;
  } else {
    if (N % 2 == 1){
      long long ans = ((N * 6 + 1) % MOD * (N * 6 + 1) % MOD + MOD - 1) * 500000004 % MOD;
      ans += MOD - (N / 2) * (N / 2 + 1) % MOD * 4 % MOD;
      ans %= MOD;
      cout << ans << endl;
    }
    if (N % 2 == 0){
      long long ans = ((N * 6 + 1) % MOD * (N * 6 + 1) % MOD + 1) * 500000004 % MOD;
      ans += MOD - (N / 2) * (N / 2) % MOD * 4 % MOD;
      ans %= MOD;
      cout << ans << endl;
    }
  }
}