#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#pragma GCC oprimize("unrol-loops")

#define vec vector
#define fi first
#define se second
#define all(x) (x).begin(), (x).end()
#define int long long

using namespace std;

typedef pair<int, int> pii;

const int inf = 2e18;
int mod = 1e9 + 7;


void solve(){
    int n;
    cin>>n;
    int ans = 1;
    if(n == 2){
        cout << 1 << "\n";
        return;
    }

    for(int i = 0;i<n-3;i++){
        ans *= 2;
        ans %=mod;
    }
    ans *= n;
    ans %= mod;
    cout <<ans << "\n";

}

signed main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int tests = 1;
    while(tests--){
        solve();
    }
}