public class Rabbit {
	private Integer[][] r;
  	int n;

  	public Rabbit(int n){
  		this.n = n;
  		r = new Integer[n][];
  	}

  	public void innit(){
  		if (n<2) return;

  		Integer[] a0 = {1};
    		Integer[] a1 = {1,0};

 	   	r[0] = a0;
    		r[1] = a1;

     		for (int i = 2; i < n; i++){
    			Integer[] a2 = new Integer[a0.length + a1.length];
      			for (int j = 0; j < a0.length; j++){
      				a2[j] = a0[j];
     			}
     			for (int j = a0.length; j < a2.length; j++){
     			 	a2[j] = a1[j-a0.length];
 			}
  			r[i] = a3;
    		}

    		return;
  	}
}