1000  A+B
Time Limit : 1 Second
Memory Limit : 128 MB
Submission: 9776
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