import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.NoSuchElementException;

public class Main {
	static final int MOD = (int)1e9+7;
	long N;

	public long modPow(long x,long y,int mod){
		if(y == 0){
			return 1;
		}else if(y % 2 == 0){
			long z = modPow(x,y/2,mod) % mod;
			return z * z % mod;
		}else{
			return modPow(x,y-1,mod) * x % mod;
		}
	}

	public void solve() {
		N = nextLong();

		long ans = 1L;

		if(N%2 == 0){
			long M = N/2-1;
			ans *= 4;//(1,1),(6,9),(9,6),(8,8)
			ans *= modPow(5,M,MOD);
			ans %= MOD;
		}else{
			if(N == 1){
				ans *= 2;
			}else{
				long M = N/2;
				ans *= 4;//(1,1),(6,9),(9,6),(8,8)
				ans *= 3;//(1,1),(8,8),(0,0)
				ans *= modPow(5,M-1,MOD);
				ans %= MOD;
			}
		}

		out.println(ans);
	}

	public static void main(String[] args) {
		out.flush();
		new Main().solve();
		out.close();
	}

	/* Input */
	private static final InputStream in = System.in;
	private static final PrintWriter out = new PrintWriter(System.out);
	private final byte[] buffer = new byte[2048];
	private int p = 0;
	private int buflen = 0;

	private boolean hasNextByte() {
		if (p < buflen)
			return true;
		p = 0;
		try {
			buflen = in.read(buffer);
		} catch (IOException e) {
			e.printStackTrace();
		}
		if (buflen <= 0)
			return false;
		return true;
	}

	public boolean hasNext() {
		while (hasNextByte() && !isPrint(buffer[p])) {
			p++;
		}
		return hasNextByte();
	}

	private boolean isPrint(int ch) {
		if (ch >= '!' && ch <= '~')
			return true;
		return false;
	}

	private int nextByte() {
		if (!hasNextByte())
			return -1;
		return buffer[p++];
	}

	public String next() {
		if (!hasNext())
			throw new NoSuchElementException();
		StringBuilder sb = new StringBuilder();
		int b = -1;
		while (isPrint((b = nextByte()))) {
			sb.appendCodePoint(b);
		}
		return sb.toString();
	}

	public int nextInt() {
		return Integer.parseInt(next());
	}

	public long nextLong() {
		return Long.parseLong(next());
	}

	public double nextDouble() {
		return Double.parseDouble(next());
	}
}