백준 11726번(Java)

import java.io.*;

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

}