Fact.java

import java.util.*;
import java.io.*;

public class Fact{
    public static void main(String[] args){
	
	//int n = 10;
	public int Fact(int n){
	    while (n > 0) {
		fact(n-1);
	    } 
	}
	System.out.println(fact(n-1));
	
    }
}