Swap two integers without using a temporary variable using bitwise XOR.

Difficulty: Easy

Phase: 6 · Mixed Logical Challenges

XP Reward: 10 XP

Topics: Mixed Logical Challenges, Easy

Supported Languages: Python, JavaScript, C, C++, Java

Problem Description

Given two integers A and B on separate lines, swap them using bitwise XOR and print in format 'A B'. Input Format: Read input from standard input (stdin). Output Format: Print the result to standard output (stdout).

Constraints

-10^9 <= N <= 10^9

Examples

Example 1

Input: 10 20

Output: 20 10

Explanation: Sample execution for input 10 20