A + B

Time limit: 1 second • Memory limit: 256 MB

Problem

Given two integers a and b, print their sum.

Input

One line with two integers a and b. The values fit into 32-bit signed integers.

Output

Output a single integer: a + b.

Examples

Input

2 3

Output

Notes. - Extra spaces and trailing newlines are ignored by the judge.
- If you want multiple testcases format, replace the input section accordingly.