import java.util.Arrays;
import java.util.Scanner;

class Main {
	long N;
	long M;

	class S {
		long a, b;

		public S(long a_, long b_) {
			a = a_ % M;
			b = b_ % M;
		}

		S mul(S s) {
			return new S(a * s.a % M + 3 * b % M * s.b % M, a * s.b % M + b * s.a % M);
		}

		S add(S s) {
			return new S(a + s.a, b + s.b);
		}

		S pow(long n) {
			S ret = new S(1, 0);
			S mul = new S(a, b);
			for (; n > 0; n >>= 1, mul = mul.mul(mul)) {
				if (n % 2 == 1) {
					ret = ret.mul(mul);
				}
			}
			return ret;
		}
	}

	void run() {
		Scanner sc = new Scanner(System.in);
		N = sc.nextLong();
		M = sc.nextLong();
		S s1 = new S(2, 1);
		S s2 = new S(2, -1);
		S ret;
		if (f(3) == 1) {
			ret = s1.pow(pow(2, N, M - 1)).add(s2.pow(pow(2, N, M - 1)));
		} else {
			ret = s1.pow(pow(2, N, M + 1)).add(s2.pow(pow(2, N, M + 1)));
		}
		System.out.println((ret.a - 2 + M) % M);

	}

	long f(long a) {
		return pow(a, (M - 1) / 2, M);
	}

	long pow(long a, long n, long mod) {
		long ret = 1;
		for (; n > 0; n >>= 1, a = a * a % mod) {
			if (n % 2 == 1) {
				ret = ret * a % mod;
			}
		}
		return ret;
	}

	void tr(Object... objects) {
		System.out.println(Arrays.deepToString(objects));
	}

	public static void main(String[] args) {
		new Main().run();
	}

}