
package DynamicProgramming;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
public class BOJ_11726 {
static int n;
static int[] dp = new int[1001];
static BufferedReader br;
public static void main(String[] args) throws IOException {
br = new BufferedReader(new InputStreamReader(System.in));
n = Integer.parseInt(br.readLine());
dp[0] = 0;
dp[1] = 1;
dp[2] = 2;
for (int i = 3; i <= n; i++) {
dp[i] = (dp[i - 1] + dp[i - 2]) % 10007;
}
System.out.println(dp[n]);
}
}