1000 - A+B

Time Limit: 1s Memory Limit: 128MB

Submissions: 9620 Solved: 5081
Description
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 in one line,and with one line of output for each line in input.
Sample Input
1 5
Sample Output
6
Hint
Source