BETA
School Problem's Submission isn't counted in score!

Submissions: 2437 Accuracy:

49.04%

Swap two numbers
     

Swap given two numbers and print them. (Try to do it without a temporary variable.)

Input:
First line contains an integer, the number of test cases 'T'. Each test case should contain two positive numbers a and b.


Output:
Print the 2 numbers after swapping.


Constraints: 
1<=T<=30
1<=a<=1000
1<=b<=1000


Example:
Input:
2
20 30
12 32

Output:
30 20
32 12

** For More Input/Output Examples Use 'Expected Output' option **

Set Default Code

					   
It is recommended to 'Compile & Test' your code before clicking 'Submit'!

Compilation/Execution Result:

Need help with your code? Please use ide.geeksforgeeks.org, generate link and share the link here.