String Prefix Check

Background

In daily text processing, we often need to check if a string starts with a specific substring. For example, in a chatbot, we might need to identify if a user's query starts with "hello".

Problem Description

Given a string, return true if the string starts with "hi" and false otherwise.

Input Format

Input is given from standard input in the following format.

s

Output Format

Output is printed to standard output in the following format.

result

Sample

hi there

true

hi

true

hello hi

false

Sample Explanation

In Sample 1, the string "hi there" starts with "hi\