/*  Example 8.4 Digit Counting
	Source: K&R2, p.22
 */

#include <stdio.h>

/* count digits, white space, others */

main () {
	int c, i, nwhite, nother;
	int ndigit[10];

	/* initialize */
	nwhite = nother = 0;
	for(i = 0; i < 10; ++i) ndigit[i] = 0;
	
	/* count */
	while ((c = getchar()) != EOF) 
		if (c >= '0' && c <= '9')
			++ndigit[c - '0'];
		else if (c == ' ' || c == '\n' || c == '\t')
			++nwhite;
		else 
			++nother;
	
	/* report */
	printf("digits =");
	for(i = 0; i < 10; ++i) 
		printf(" %d", ndigit[i]);
	printf(", white space = %d, other = %d\n", nwhite, nother);
}