package yoon;

public class ReculFactorial {
    public static void main(String [] args){
        System.out.println("3 factorial : " + factorial(3));
        System.out.println("12 factorial : " + factorial(12));
    }

    public static int factorial(int n){
        if(n == 1)
            return 1;
        else
            return n * factorial(n - 1);
    }
}