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Coffee Break Sum

Very easy 1 s 256 MBmathbasic arithmetic

Aziz and Jasur are backend engineers working late at the office. To stay awake during a heavy debugging session, they decide to play a quick mental arithmetic game over a cup of hot coffee.

Jasur writes down two integers, aa and bb, on a whiteboard. Aziz immediately has to shout out their sum, a+ba + b, before taking a sip of coffee. Can you write a quick script to automate Aziz's job so he can focus entirely on finishing his coffee?

Input

The single line of input contains two space-separated integers, aa and bb (1≤a,b≤1091 \le a, b \le 10^9).

Output

Print a single integer — the sum of aa and bb.

Notes

Since the sum can be as large as 2×1092 \times 10^9, make sure to use standard 64-bit integer types (like long long in C++) to prevent integer overflow.

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Examples

Input 1
3 5
Output 1
8
Input 2
-6 10
Output 2
4