#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define vll vector<ll>

int main() {
    ll N; cin >> N;

    if(N == 2){
        cout << 1 << endl; return 0;
    }

    if(N == 3) {
        cout << 3 << endl; return 0;
    }

    ll rs = 1;
    const ll MOD = 1000000000 + 7;

    for(ll i = 0; i < N - 3; i++){
        rs *= 2;
        rs %= MOD;
    }

    rs *= N;
    rs %= MOD;

    cout << rs << endl;

    return 0;
}