\begin{problem}{A+B}{aplusb.in}{aplusb.out}{2 seconds}

You are given two integer numbers $A$ and $B$. 
Write a program to calculate $A+B$. 

\InputFile

First line of the input file contains two integers --- $A$ and $B$ 
($-1000 \le A,B \le 1000$).

\OutputFile

Print the value of $A+B$ on the first line of the output file.

\Example

\begin{example}[*]
\exmp{
1 2
}{
3
}%
\exmp{
1 -1
}{
0
}%
\end{example}

\end{problem}
