Create a program that allows user to enter a text, then removes whitespace from the left side and right size of a string, removes all 2 whitespaces from inside that string and print it out.

Input

             text           text            

Output

text text

Example 1

Input:
      Lap trinh         can ban C             

Output:
Lap trinh can ban C

Example 2

Input:
      Information              Technology               

Output:
Information Technology

Example 3

Input:
      Cong        nghe thong            tin

Output:
Cong nghe thong tin