#### Statement

You are given two numbers *A* and *B*. Calculate their sum.

#### Input:

The first line of input contains integers *A* and *B*.

#### Output:

Your output should contain only one line, sum of numbers *A* and *B*.

#### Constraints:

- 3 ≤
*A*,*B*≤ 10^{9}

#### Example input:

`2 3`

#### Example output:

`5`

#### Time and memory limit:

- 0.1 second
- 4MB