CoderByte chalenge First Factorial

coderbyte_firstFactorial.java

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

class Main {  
  public static int FirstFactorial(int num) { 
    return (num == 1) ? num : num * FirstFactorial(num - 1);
  } 
  
  public static void main (String[] args) {  
    // keep this function call here     
    Scanner s = new Scanner(System.in);
    System.out.print(FirstFactorial(s.nextLine())); 
  }   
  
}