import java.util.Scanner;
public class Factorial{
  public static void main(String args[]){
    int yourNumber = 0;
    Scanner Geoff = new Scanner(System.in);
    System.out.println("Give me a number: ");
    yourNumber = Geoff.nextInt();
    System.out.printf("The factorial of your number is %d", factorial(yourNumber));
  }
  public static int factorial(int n){
    if (n == 1){
      return n;
    }
    else{
      return n * factorial(n-1);
    }
  }
}