A+B for Input-Output Practice (VII)
Time Limit: 2000/1000 MS (Java/Others)
Memory Limit: 65536/32768 K (Java/Others)
Your task is to Calculate a + b.
The input will consist of a series of pairs of integers a and b, separated by a space, one pair of integers per line.
For each pair of input integers a and b you should output the sum of a and b, and followed by a blank line.