#include <iostream>
#include <iomanip>
#include <vector>
#include <algorithm>
#include <string>
#include <sstream>
#include <cmath>
#include <stack>
#include <cctype>
using namespace std;
long long a[100000];

int main() {

	int n=0;
	cin>>n;
	a[1] =1;
	a[2] =2;

	long long sum =0;
	for(int i=3; i<=n;i++){
		sum=0;
		for(int j=i-1; j>=1; j -=2){
			sum += a[j];
		}
		a[i] =i*sum%1000000007;
	}
	cout<<a[n]<<endl;

	return 0;
}