package Example3_5;
import java.util.*;
public class Example3_5 {
	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		int x;
		System.out.print("Enter an integer number : ");
		x = in.nextInt();
		System.out.println("Number = " + x + ", Factorial = " +
		fact(x));
		in.close();
	}
	//*****************************
	public static long fact(int x){
	   long f = 1;
	   for(int i = 2; i <= x; i++)
	         f *= i;
	   return f;
	}
}
