'''
Statement
Write a program that greets the user by printing the word "Hello", a comma, the name of the user and an exclamation mark after it. See the examples below.

Warning. Your program's output should strictly match the desired one, character by character. There shouldn't be any space between the name and the exclamation mark. You can use + operator to concatenate two strings. See the lesson for details.

Example input
Harry

Example output
Hello, Harry!
'''
name = input()
print("Hello, " + name + "!")
