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

int main(int argc, char **argv)
{
	unsigned int sum=0, i;
	char *str=argv[1], c;
	
	if (argc != 2)
		return 1;

	for (i=0; i<strlen(str); i++)
	{
		c = (int)str[i];
#if 0
		if (isalpha(c))
			c -= isupper(c) ? 'A'-1 : 'a'-1;
#endif
		sum += c;
	}

	printf("%u\n", sum);

	return 0;
}