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ZOJ Problem Set - 1001
A + B Problem

Time Limit: 2 Seconds      Memory Limit: 65536 KB


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

Use + operator

Sample Program Here

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