Tudor is sitting in math class, on his laptop. Clearly, he is not paying attention in this situation. However, he gets called on by his math teacher to do some problems. Since his math teacher did not expect much from Tudor, he only needs to do some simple addition problems. However, simple for you and I may not be simple for Tudor, so please help him!

Input Specification

The first line will contain two space-separated integers whose absolute value is less than \(1\,000\,000\,000\), the two integers Tudor needs to add.

Output Specification

Output one integer, the solution to the addition problem.

Sample Input

1 1

Sample Output

2