c#include <bits/stdc++.h> using namespace std; int main(){ cin.tie(NULL); cout.tie(NULL); ios_base::sync_with_stdio(false); vector<int> dp; dp.push_back(1); dp.push_back(1); for(int i = 2; i <= 1000; i++){ dp.push_back(dp[i - 1] + dp[i - 2] * 2); dp[i] %= 10007; } int N; cin >> N; cout << dp[N] << "\n"; return 0; }```