day02_Testdemo

package day02;

public class TestDemo {
    public static void main(String[] args) {
        int d=3;
        int m;
        int num =0;
        int count=0;
        while(d>=3){
            num=d/3;
            d=d%3;
            d=d+num;
            count=count+num;
        }
        System.out.println(count);
    }
}