Problem:
Addition of Big Integers

Given two integers $A$ and $B$, compute the sum, $A + B$.

Input

Two integers $A$ and $B$ separated by a space character are given in a line.

Output

Print the sum in a line.

Constraints

$-1 \times 10^{100000} \leq A, B \leq 10^{100000}$

Sample Input 1

5 8

Sample Output 1

13

Sample Input 2

100 25

Sample Output 2

125

Sample Input 3

-1 1

Sample Output 3

0

Sample Input 4

12 -3

Sample Output 4

9

Solution in Haskell (judge verdict: Accepted)

import Control.Applicative
main = do
 [a,b] <- map read . words <$> getLine
 putStrLn $ unwords [show (a + b)]