/**
 * In these days you can more and more often happen to see programs which perform some useful calculations
 * being executed rather then trivial screen savers. Some of them check the system message queue
 * and in case of finding it empty (for examples somebody is editing a file and stays idle for some time)
 * execute its own algorithm.
 * As an examples we can give programs which calculate primary numbers.
 * One can also imagine a program which calculates a factorial of given numbers. In this case it is not
 * the time complexity of order O(n) which makes troubles, but the memory requirements. Considering
 * the fact that 500! gives 1135-digit number. No standard, neither integer nor floating, data type is
 * applicable here.
 * Your task is to write a programs which calculates a factorial of a given number.
 * Input
 * Any number of lines, each containing value n for which you should provide value of n!
 * Output
 * 2 lines for each input case. First should contain value n followed by character ‘!’. The second should
 * contain calculated value n!.
 * Assumptions:
 * • Value of a number n which factorial should be calculated of does not exceed 1000 (although 500!
 * is the name of the problem, 500 is a small limit).
 * • Mind that visually big number of case 4 is broken after 80 characters, but this is not the case in
 * the real output file.
 * Sample Input
 * 10
 * 30
 * 50
 * 100
 * Sample Output
 * 10!
 * 3628800
 * 30!
 * 265252859812191058636308480000000
 * 50!
 * 30414093201713378043612608166064768844377641568960512000000000000
 * 100!
 * 93326215443944152681699238856266700490715968264381621468592963895217599993229915
 * 608941463976156518286253697920827223758251185210916864000000000000000000000000
 */

//https://uva.onlinejudge.org/index.php?option=onlinejudge&Itemid=99999999&page=show_problem&category=&problem=564

import java.math.BigInteger;
import java.util.Scanner;

public class FiveHundredFactorial {

	public static void main(String[] args) {
		Scanner input = new Scanner(System.in);
		while (input.hasNext()) {
			int number = input.nextInt();
			BigInteger product = BigInteger.ONE;
			for (int i = 2; i < number + 1; i++) {
				product = product.multiply(BigInteger.valueOf(i));
			}
			System.out.println(number + "!\n" + product);
		}
	}
}
