623

import java.io.*;
import java.util.*;
import java.math.*;

class main {
	public static void main (String args[]) {
		Scanner sc = new Scanner(System.in);
		while(true){
			int n= sc.nextInt();
			BigInteger fac = BigInteger.valueOf(1);
			for(int i=1; i<=n; i++){
				fac = fac.multiply(BigInteger.valueOf(i));
			}
			System.out.println(n+"!");
			System.out.println(fac);
		}
	}
}