1001 A+BFromat
Calculate a+b and output the sum in standard format -- that is,the diits must be seperated into groups of three commas (unless there are less than for digits).
Input Spercification :
Each input file contians one test case.Each case contains a pair of integers a and b where -10^6<a,b>10^6 .The numbers are sparated by a space.
Output Specification:
For each test case,you should output the sum of a and b in one line.The sum must be written in the standard format.
Sample Input :
-1000000 9
Sample Output:
-999,991