1-1hellow,world!

01:hello, world!

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Total time limit:

1000ms

Memory Limit:

65536kB

Describe

For most programming languages, write a can output "Hello, world!" Procedures are often the most basic and simplest. Therefore, this program is often used as a beginner to touch a new programming language written by the first program, but also often to test the development, compile the environment to work properly.

Now you need to complete a program like this.

Input

None.

Output

A row that contains only one string: "Hello, world!"

1 #include <stdio.h>2int  main ()3{4     printf ("Hello, world! " ); 5     return 0 ; 6 }

Sample input

No

Sample output

Hello, world!.

1-1hellow,world!