import java.util.Scanner;
class FactorialOfNumber
{
    public static int Factorial(int num)
    {
        if(num==1)
        {
            return 1;
        }
        else
        {
            return num*Factorial(num-1);
        }
    }

    public static void main(String args[])
    {
        int num=0,fac=1;

        Scanner sc=new Scanner(System.in);
        System.out.print("ENTER THE NUMBER:");

        num=sc.nextInt();
        fac=Factorial(num);
        System.out.println("Factorial of "+num+":"+fac);

    }

}