#1Easy

A + B

Time: 1 s · Memory: 256 MB

Input and output

Statement

You are given two integers $a$ and $b$ . Find their sum.

This problem shows how a solution works: numbers are read from standard input (the keyboard) and the answer is written to standard output (the screen).

Input format

A single line with two integers $a$ and $b$ separated by a space ( $-10^9 \le a, b \le 10^9$ ).

Output format

A single integer — $a + b$ .

Examples

Input

2 3

Output

Input

-5 12

Output

Note

Print only the answer. Extra text such as Answer: or Enter a number: makes the solution wrong — the checker expects the number alone.

A + B

Time: 1 s · Memory: 256 MB

Input and output

Statement

You are given two integers $a$ and $b$ . Find their sum.

This problem shows how a solution works: numbers are read from standard input (the keyboard) and the answer is written to standard output (the screen).

Input format

A single line with two integers $a$ and $b$ separated by a space ( $-10^9 \le a, b \le 10^9$ ).

Output format

A single integer — $a + b$ .

Examples

Input

2 3

Output

Input

-5 12

Output

Note

Print only the answer. Extra text such as Answer: or Enter a number: makes the solution wrong — the checker expects the number alone.