11727번

#include<iostream>
using namespace std;
int main() {
	int dp[1001];
	int n;
	cin >> n;
	dp[0] = 0;
	dp[1] = 1;
	dp[2] = 3;
	dp[3] = 5;
	for (int i = 4; i <= n; i++)
	{
		dp[i] = (dp[i - 1] + dp[i - 2]*2) % 10007;
	}
	cout << dp[n];
}