import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;public class test6 {    public static void main(String[] args) throws NumberFormatException, IOException{        System.out.println("请输入月数：");        BufferedReader br=new BufferedReader(new InputStreamReader(System.in));        int i=Integer.parseInt(br.readLine());        int s=value(i);        System.out.println("当月的兔子数量为："+s);    }        private static int value(int i){        int num=1;        if(i<=2){            return num=1;        }else{            return value(i-2)+value(i-1);        }    } }