#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;

int main(){
    int n;
    cin >> n;
    if(n == 1){
        cout << 1 << endl;
        return 0;
    }
    long a[n];
    long a_sum[n];
    a[0] = 1; a[1] = 2;
    a_sum[0] = 1; a_sum[1] = 2;
    for(int i = 2; i < n; i++){
        a[i] = a_sum[i - 1] * (i + 1) % long(1e9 + 7);
        a_sum[i] = a_sum[i - 2] + a[i];
    }
    cout << a[n - 1] << endl;
}