#include <stdio.h>
#include <ctype.h>

#define	MAXSTRING 100

main()
{
  char	c, name[MAXSTRING];
  int	i, sum = 0;

  printf("\nHi! What is your name? ");
  for (i = 0; (c = getchar()) != '\n'; ++i) {
	name[i] = c;
	if (isalpha(c))
	    sum += c;
  }
  name[i] = '\0';
  printf("\n%s%s%s\n%s",
	"Nice to meet you ", name, ".",
	"Your name spelled backward is ");
  for (--i; i >= 0; --i)
	putchar(name[i]);
  printf("\n%s%d%s\n\n%s\n",
	"and the letters in your name sum to ", sum, ".",
	"Have a nice day!");
}