package Course_Codes;

import java.util.Scanner;
//身份证号合理性验证
public class 身份证号合理性验证 {

	public static void main(String[] args) {
		String idCard="";//存储身份证（尾号可能出现X，因此用String）
		//身份证各数字权值：7 9 10 5 8 4 2 1 6 3 7 9 10 5 8 4 2 1
		int [] w= {7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2,1};
		//权值对11取余的值
		 String [] last= {"1","0","X","9","8","7","6","5","4","3","2"};
		 
		 System.out.println("Please input your ID:");
		 Scanner sc=new Scanner(System.in);
		 idCard =sc.nextLine();
		 
		 //截取身份证号前17位
		 String id_17=idCard.substring(0,17);
		 
		 int sum=0;
		 for(int i=0;i<id_17.length();i++) {
			 //将String类型的身份证号转化为整型
			 int n=Integer.parseInt(id_17.substring(i,i+1));//法2:charAt(i-'0');
			 sum=sum+n*w[i];
		 }
		 System.out.printf("sum=%d,sum=%%11=%d\n",sum,sum%11);
		 if(idCard.substring(17,18).equals(last[sum%11]))
			 System.out.println("Yes");
		 else
			 System.out.print("No");
	}

}