#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <math.h>
using namespace std;

int main() {
    int n,p = 1000000007;
    cin >> n;
    vector<int> a;
    a.push_back(0);
    a.push_back(1);
    a.push_back(2);
    for(int i = 3;i <= n;i++){
        long long b = 0;
        for(int j = i%2+1;j < i;j+=2){
            b += a[j];
            b %= p;
        }
        b *= i;
        b %= p;
        a.push_back(b);
    }
    cout << a[n] << endl;
    return 0;
}