Determine factorial value

package basicdata1;

import java.util.Scanner;

public class Factorial {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        int a,fact=1;
        System.out.print("Enter your Number : ");
        a = input.nextInt();
        for (int i = a; i >= 1; i--)
        {
        fact = fact * i;
        }
        System.out.println("Factorial Value : " +fact);
    }

}