===== Getting Started ======

Use this practice problem to make sure you've got PC^2 working.  Write a program that reads input and generates output as described below.

===== Input =====

Input consists of one line of text.

===== Output =====

Echo the input line to output.  Print a second line that consists of the string "hello world", except the first letter is capitalized and the sentence ends with an exclamation point.

===== Sample Input =====

    this is a test

===== Sample Output =====

    this is a test
    Hello world!