import java.util.Scanner;

public class Main{

	static Scanner s=new Scanner(System.in);

	public static void main(String __[]){
		input();
		solve(s.nextInt());
	}

	private static void input(){
	}


	static int mod=1000000007;
	private static void solve(long in){
		long buf=in*in;
		buf%=mod;
		buf*=in;
		buf%=mod;
		System.out.println(buf);
	}
}