hduoj1095A+B for Input-Output Practice (VII)

A+B for Input-Output Practice (VII)

Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 25686    Accepted Submission(s): 16904

Problem Description

Your task is to Calculate a + b.

 

 

Input

The input will consist of a series of pairs of integers a and b, separated by a space, one pair of integers per line. 

 

 

Output

For each pair of input integers a and b you should output the sum of a and b, and followed by a blank line. 

 

 

Sample Input

1 5 10 20

 

 

Sample Output

6 30