#include <iostream>

using namespace std;

int main(){

ios_base::sync_with_stdio(0);cin.tie(0);

int dp[1000 + 1];

dp[0] = 0; dp[1] = 1; dp[2] = 2;

int n;

cin >> n;

for(int i = 3; i <= n; i++){

dp[i] = (dp[i-2] + dp[i-1]) % 10007;

}

cout << dp[n];

return 0;

}