Background

Description

Given a string, return the string made of its first two chars, so the String "Hello" yields "He". If the string is shorter than length 2, return whatever there is, so "X" yields "X", and the empty string "" yields the empty string "". Note that str.length() returns the length of a string.

Format

Input

Output

Samples

Hello

"He"

abcdefg

"ab"

ab

"ab"

Limitation

1s, 1024KiB for each test case.