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0_0_2846954_23016\Main.java:1: 进行语法解析时已到达文件结尾
import java.io.*;   import java.util.*;   import java.math.*;     public class Main {         /**       * @param args       */      public static void main(String[] args) {           // TODO Auto-generated method stub           Scanner cin=new Scanner(System.in);           BigInteger elem[] = new BigInteger[10];           String str;           int i,j;           for(i=0;i<10;i++)               elem[i] = BigInteger.ONE;           while(cin.hasNext()){               str = cin.next();               if(str.length()==3)               {                   elem[str.charAt(0)-'A'] = elem[str.charAt(2)-'A'];               }               else              {                   if(str.charAt(1) == '+')                       elem[str.charAt(0)-'A'] = elem[str.charAt(0)-'A'].add(elem[str.charAt(3)-'A']);                   else                      elem[str.charAt(0)-'A'] = elem[str.charAt(0)-'A'].multiply(elem[str.charAt(3)-'A']);               }           }           for(i=0;i<10;i++)           {               System.out.println(elem[i]);           }       }     }  
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1 错误