Addition Again

Time Limit: 1 sec

 

The Problem

Mr. X and his brother are collecting clothes separately for giving away as charity. Tell me the total of the clothes they are giving away.

 

The Input

Input file contains a series of line. Each line contains two integer numbers X(X < 1000000000) and Y(Y < 1000000000). Input is terminated by EOF

 

The Output

For each line of input output will shows single integer value in a separate line. 

 

Sample Input

123456789 123456789

15141 7711

9040 8942

 

Sample Output

246913578

22852

17982

 

 

 

 

Problem Setter: Samia Safa Ahmed