public class MyHanoi {
	public static void main(String args[]){
		int n=4;
		Hanoi(n,"A","B","C");
	}
	public static void Hanoi(int n,String A,String B,String C){
		if(n>0){
			Hanoi(n-1,A,C,B);
			Move(n,A,C);
			Hanoi(n-1,B,A,C);
		}
	}
	public static void Move(int n,String A,String B){
		System.out.println("move no."+n+":form "+A+" to "+B);
	}
}