没发现哪有错误啊，就是不执行呢？

import java.util.Scanner;
import java.util.Random;
class TestJava{
    public static void main(String[] args){
        Scanner stdIn=new Scanner(System.in);
        Random rand=new Random();
        int retryCount=rand.nextInt(11);  //把rand和stdin弄混了……
        System.out.println("猜数游戏，每轮可以猜五次，最多可以猜" + retryCount + "轮。");
        int randNum=rand.nextInt(101);
        System.out.println("作弊器：生成的随机数是：" + randNum);        
        int total=0;  //所有组的合计值
        int i;  //因为循环结束后还要用到i，所以要在循环语句之前声明
    Outer:
        for (i=1;i<=retryCount;i++){
            System.out.println("■第" + i + "轮猜数：");
            int sum=0;  //每组的小计值
        Inner:
            for (int j=0;j<5;j++){
                System.out.print("整数：");
                int t=stdIn.nextInt();
                if (total+sum+t==randNum){
                    total=randNum;
                    break Outer;  //直接退出两层循环
                }else if(total+sum+t>randNum){
                    break Inner;  //退出当前层循环
                }
                sum+=t;
            }
            System.out.println("本轮有效值为：" + sum + "。\n");
            total+=sum;
        }
        if (total==randNum){
            System.out.println("使用了" + i + "轮，终于猜出了正确的数字：" + randNum);
        }else{
            System.out.println("使用了" + retryCount + "轮，还是没有猜出正确的数字：" + randNum);
        }
    }
}