Description

Given two integers a and b, print their sum and difference. The first line of output is a+b, the second line is a-b.

Format

Input

Two lines: the first line contains integer a, the second line contains integer b, satisfying $0\leq a,b\leq 32767$ .

Output

Two lines: the first line is the sum a+b, the second line is the difference a-b.

Samples

10
5

15
5

5
10

15
-5

Limitation

1s, 1024KiB for each test case.