/***********************************************************
身份證字號判別，簡要版
***********************************************************/
import java.io.*;
public class n9{  
	public static void main(String args[]) throws Exception
	{  //程式進入點
		String getbr;
		BufferedReader br= new BufferedReader(new InputStreamReader(System.in));
		int i,area=0,sum;
		/*****請使用者輸入選項**********/
		while (true)
		{
			System.out.print("請輸入身份證字號：");
			getbr = br.readLine(); //取得使用者的輸入
			if (getbr.equals("0"))
			{
				System.out.println("結束");
				return;
			}
			if (getbr.length()!=10)
			{
				System.out.println("長度不對");
				continue;
			}
			getbr=getbr.toUpperCase();//轉成大寫
			if (getbr.charAt(0)=='A')  area=10;
			else if (getbr.charAt(0)=='B') area=11;
			else if (getbr.charAt(0)=='C') area=12;
			else if (getbr.charAt(0)=='D') area=13;
			else if (getbr.charAt(0)=='E') area=14;
			else if (getbr.charAt(0)=='F') area=15;
			else if (getbr.charAt(0)=='G') area=16;
			else if (getbr.charAt(0)=='H') area=17;
			else if (getbr.charAt(0)=='I') area=34;
			else if (getbr.charAt(0)=='J') area=18;
			else if (getbr.charAt(0)=='K') area=19;
			else if (getbr.charAt(0)=='L') area=20;
			else if (getbr.charAt(0)=='M') area=21;
			else if (getbr.charAt(0)=='N') area=22;
			else if (getbr.charAt(0)=='O') area=35;
			else if (getbr.charAt(0)=='P') area=23;
			else if (getbr.charAt(0)=='Q') area=24;
			else if (getbr.charAt(0)=='R') area=25;
			else if (getbr.charAt(0)=='S') area=26;
			else if (getbr.charAt(0)=='T') area=27;
			else if (getbr.charAt(0)=='U') area=28;
			else if (getbr.charAt(0)=='V') area=29;
			else if (getbr.charAt(0)=='W') area=32;
			else if (getbr.charAt(0)=='X') area=30;
			else if (getbr.charAt(0)=='Y') area=31;
			else if (getbr.charAt(0)=='Z') area=33;
			sum=(area%10)*9+area/10;
			for (i=1;i<9;i=i+1)
			{
				sum=sum+(getbr.charAt(i)-'0')*(9-i);
			}
			/************
			sum=sum+(getbr.charAt(8)-'0')*1;
			sum=sum+(getbr.charAt(7)-'0')*2;
			sum=sum+(getbr.charAt(6)-'0')*3;
			sum=sum+(getbr.charAt(5)-'0')*4;
			sum=sum+(getbr.charAt(4)-'0')*5;
			sum=sum+(getbr.charAt(3)-'0')*6;
			sum=sum+(getbr.charAt(2)-'0')*7;
			sum=sum+(getbr.charAt(1)-'0')*8;
			**************/
			sum=10-(sum%10);
			if (sum==10) sum=0;
			if ((getbr.charAt(9)-'0')!=sum) System.out.println("錯誤");
			else System.out.println("正確");
		}
	}
}