Input:

Your program should read lines from standard input. Each line contains a positive integer.

Output:

For each line of input, print to standard output 'true' if the number is an exact power of two and 'false' if not. Print out each result on a new line.

Test 1

Test InputDownload Test 1 Input

16

Expected OutputDownload Test 1 Input

true

Test 2

Test InputDownload Test 2 Input

1024

Expected OutputDownload Test 2 Input

true

use python 3