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

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

	void run() {
		Scanner sc = new Scanner(System.in);
		double n = sc.nextDouble();
		double m = sc.nextDouble();
		long c = Integer.MAX_VALUE;
		ArrayList<Long> lis = plis((long) m);
		for (long p : lis) {
			long tmp = 0;
			for (int i = 1; i < 1000; ++i)
				tmp += n / Math.pow(p, i);
			c = Math.min(c, tmp);
		}
		if (n < 170) {
			double ret = 1;
			for (int i = 2; i <= n; ++i) {
				ret *= i;
			}
			while (ret % m == 0)
				ret /= m;
			int cnt = 0;
			while (ret >= 10) {
				++cnt;
				ret /= 10;
			}
			System.out.println(ret + "e" + cnt);
			return;
		}
		++n;
		double v = (Math.log10(Math.sqrt(2 * Math.PI)) + n * Math.log10(n / Math.E) - 0.5 * Math.log10(n)
				+ Math.log10(1 + 1 / (12 * n) + 1 / (288 * n * n) - 139 / (51840 * n * n * n))) - c * Math.log10(m);
		System.out.println(Math.pow(10, v - (long) v) + "e" + (long)v);
	}

	ArrayList<Long> plis(long n) {
		long ori = n;
		ArrayList<Long> ret = new ArrayList<>();
		for (long i = 2; i * i <= n; ++i) {
			if (n % i == 0) {
				while (n % i == 0) {
					n /= i;
				}
				ret.add(i);
				ret.add(ori / i);
			}
		}
		if (ret.size() == 0)
			ret.add(ori);
		return ret;
	}

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

}