Greet by Name
Read a name and print a friendly greeting in a fixed format.
Input format
A single line with a person's name NAME (one word).
Output format
Print a greeting in the exact form Hello, NAME (comma then a space).
Constraints
- Values fit in a 64-bit signed integer
- Trailing whitespace and a trailing newline are ignored by the judge
Read from stdin, write to stdout. Sample cases below show the exact format.
Sample cases
Example 1
Input
AdaExpected output
Hello, AdaExample 2
Input
GraceExpected output
Hello, Grace