웹 개발 블로그

import java.util.Scanner;

public class Main{

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int dp[] = new int[n+1];
		dp[0] = 1;
		dp[1] = 2;
		for(int i=2;i<dp.length;i++) {
			dp[i] = dp[i-1]%10007 + dp[i-2]%10007;
		}
		System.out.println(dp[n-1]%10007);
	}

}