Maximum of Two Integers

Source: Phước Hưng OJ

Version: Phuoc Hung OJ Extended

Problem Statement

Given two integers $a$ and $b$, print the greater value. If the two integers are equal, print their common value.

Input

A single line contains two integers $a$ and $b$.

Output

Print one integer equal to $\max(a,b)$.

Subtasks

• Subtask 1 (20 points): $-10\le a,b\le 10$.
• Subtask 2 (30 points): $-1000\le a,b\le 1000$.
• Subtask 3 (50 points): $-1000000000\le a,b\le 1000000000$.

Examples

Example 1

Input

7 4

Output

7

Explanation

The two values are 7 and 4. Their maximum is 7, which is printed as 7.

Example 2

Input

-3 -3

Output

-3

Explanation

The two values are -3 and -3. Their maximum is -3, which is printed as -3.