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






Example

Input

5 8


Output

13
using System;
using System.Linq;
using System.Numerics;
using System.Collections.Generic;
using static System.Math;
using System.Collections;

class P
{
    static void Main()
    {
        var ab = Console.ReadLine().Split().Select(BigInteger.Parse).ToList();
        Console.WriteLine(ab[0] + ab[1]);
    }
}

