A+B for Input-Output Practice (VII)
Time Limit: 1000MS Memory Limit: 65536KB
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.
1 5 10 20