#include <stdio.h>
#include <stdlib.h>
int get_word(char *);

main() {
	char word_buff[100];
	while(get_word(word_buff))
		printf("%s\n", word_buff);
}

#include <ctype.h>
/*
 * Leave this routine EXACTLY as it stands
 */
int get_word(char *s) {
	int c;
	do {
		c = getchar();
		if(c == EOF)
			return(0);
	} while(!isalpha(c) && !isdigit(c));
	do {
		if(isupper(c))
			c = tolower(c);
		*s++ = c;
		c = getchar();
	} while(isalpha(c) || isdigit(c));
	*s = 0;
	return(1);
}