This is a classic question used for users to familiarize themselves with the OJ registration and submission process, and for administrators to conduct OJ server stress testing.

Description

Given you two integers $A$ and $B$, you need to program to automatically calculate their sum.

Input

Input two integers, $A$ and $B$, on a single line.

The problem ensures that all inputs are within the range of $\texttt{int}$.

Output

Output the sum of two numbers.

I/O Example

2 3

5

Hint

Adding two $\texttt{int}$ values may result in an answer that exceeds the range of $\texttt {int}$