Given a number n. find the factorial of that number n.

**Input Format :** The first line will contain a number n whose factorial has to be found out.

**Output Format :** In the output you need to print an ans denoting the factorial of that number

**Note :**

Make sure its also satifies long range integers

**Constraint :** 1<=n<=15

**Sample Input 1 :** 5

**Sample Output 1 :** 120

**Sample Input 2:** 7

**Sample Output 2:** 5040

## Solution of Factorial of a number in java:–

import java.util.*; import java.lang.*; import java.io.*; public class Main { public static void main (String[] args) throws java.lang.Exception { //your code here Scanner sc = new Scanner(System.in); long n = sc.nextLong(); long sum=1; for(long i=n;i>0;i--) { sum=sum*i; } System.out.println(sum); } }

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