Addition

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 two integer numbers X(X < 1000000000) and Y(Y < 1000000000).

 

The Output

Output file shows single integer value in a separate line. 

 

Sample Input

123456789 123456789

 

Sample Output

246913578

 

 

 

 

Problem Setter: Samia Safa Ahmed