using System;

public class Program

{

    public static void Main()

    {

        int t,i,n,p,k;

        Console.WriteLine("enter no of test cases");

        t=Convert.ToInt32(Console.ReadLine());

        for(i=1;i<=t;i++)

        {

            Console.WriteLine("enter n({0}) value ",i);

            n=Convert.ToInt32(Console.ReadLine());

             p=1;

            for(k=1;k<=n;k++)

            {

                     p=p*k;

            }

            Console.WriteLine("{0}",p);

         }  

       }

}