A + B

• Time limit: 5.00 s
• Memory limit: 512 MB

Given two numbers $A$ and $B$, calculate their sum $A+B$.

Input

The first line of input consists of two space-separated numbers, $A$ and $B$. Note that the numbers might be negative.

Output

Output a single integer $A+B$.

Constraints

• $-10^6 \le A,B \le 10^6$
  

Examples

Input:
3 5

Output:
8

Input:
-6 4

Output:
-2