044. Yoda Translator
time limit per test
1 second
memory limit per test
256 megabytes
input
standard input
output
standard output

Yoda tends to confuse people with his irregular syntax. Write a program that takes in a string and switches the first half of the words with the second half.

Input

A line will contain a string.

Output

For the input, your program must print that string with the first and second half of the words switched.

Example
Input
reverse this sentence you have to
Output
you have to reverse this sentence
Note

Assume the input will always have an even number of words.