1 import java.math.*; 2 import java.io.*; 3 import java.util.*; 4 public class Main{ 5     public static void main(String[] args){ 6         Scanner sc = new Scanner(System.in); 7         BigDecimal f1, f2; 8         int c = Integer.parseInt(sc.next()); 9         int i = 1;10         while(sc.hasNext()){11             12             f1 = new BigDecimal(sc.next());13             f2 = new BigDecimal(sc.next());14             System.out.println("Case " + i + ":");15             System.out.println(f1 + " + " + f2  + " = " + f1.add(f2) );16             if(i < c)17                 System.out.println();18             //System.out.println(f1.subtract(f2));19             //System.out.println(f1.multiply(f2));20             //System.out.println(f1.divide(f2));21             i++;22             if(i > c)    break;23         }24         25     }26 }