#517. First 4 characters
You are given a word with at least 4 characters. Print its first 4 characters.
### Input
One word.
### Output
One line.
Examples
Input
castle
Output
cast
Input
stats
Output
stat
💡 You can solve it with Python, JavaScript or blocks. Read the input line by line with input(). Don't print a question (like input("Number: ")). Print exactly what the output asks for, nothing more.