package practice;

import java.util.Scanner;

public class Factorial {

    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub

        Scanner sc = new Scanner (System.in);
        System.out.println("enter the no");
        int num = sc.nextInt();
        String s  = sc.next();



        int k = s.length();
        int fact = 1;

        if(num %k ==0){
            for(int i = num; i>=k; i = i-k){
                fact = fact*i;
            }
        }
        else {
            for(int i =num; i >0; i = i-k){
                fact = fact*i;
            }
        }

        System.out.println(fact);
    }

}

thank you