/* This is the classical C program for the beginners.
   The program asks the user to enter a name. Then,
   it outputs a greenting sentence.
*/

#include <stdio.h> // C library for standard I/O
#include <stdlib.h> // C library for function "system".

int main(void) { // Function header
  char name[10]; // A character array of text string

  scanf("%s", &name); // Read a name.
  printf("Hello World! I am %s.\n", name); // Print a string and the name
  
  system("pause"); // This statement will hold the standard output.
  return 0; // Return value of function main( )
}