
Score : 100 points
Problem StatementThis contest is CODE FESTIVAL.
However, Mr. Takahashi always writes it CODEFESTIVAL, omitting the single space between CODE and FESTIVAL.
So he has decided to make a program that puts the single space he omitted.
You are given a string s with 12 letters.
Output the string putting a single space between the first 4 letters and last 8 letters in the string s.
Constraints
s contains exactly 12 letters.
All letters in s are uppercase English letters.
InputThe input is given from Standard Input in the following format:
s
OutputPrint the string putting a single space between the first 4 letters and last 8 letters in the string s.
Put a line break at the end.
Sample Input 1CODEFESTIVAL
Sample Output 1CODE FESTIVAL
Putting a single space between the first 4 letters and last 8 letters in CODEFESTIVAL makes it CODE FESTIVAL.
Sample Input 2POSTGRADUATE
Sample Output 2POST GRADUATE
Sample Input 3ABCDEFGHIJKL
Sample Output 3ABCD EFGHIJKL
