Poj Solution 2756

http://poj.org/problem?id=2756

    import java.util.*;  
    import java.math.*;  
      
    public class Main {  
      
        public static void main(String[] args)   
        {  
            Scanner cin = new Scanner(System.in);  
            int num = Integer.valueOf(cin.nextLine()).intValue();  
             
           for(int i = 0; i < num; i++)  
           {  
               String[] str = cin.nextLine().split(" ");  
     
               BigDecimal a = new BigDecimal(str[0]);  
               BigDecimal b = new BigDecimal(str[1]);  
                 
               BigDecimal result = a.add(b);  
               System.out.println(result.toPlainString());  
          }  
     
       }  
     
   }