#include <stdio.h>
#define MAX_WORD_SIZE 100

int main() {
	char *wordp[MAX_WORD_SIZE] = {NULL}, word[MAX_WORD_SIZE] = {'\0'};
	int word_number;
	
	void get_words_from_user(char word[], char *wordp[]);
	void print_word(char word[], char *wordp[], int word_number);
	
	
	get_words_from_user(word, wordp);
	
	while(1) {
		printf("Please enter word number to print:\n");
		scanf("%d", &word_number);
		print_word(word, wordp, word_number);
	}
}

void get_words_from_user(char word[], char *wordp[]) {
	char character, prev_character = ' ';
	int placed_pointer_for_word = 0, pointer_index = 0, word_index = 0;
	
	while(character = getchar()) {
		if(character == '\n') {
			break;
		}
		
		if(placed_pointer_for_word == 0) {
			wordp[pointer_index] = &word[word_index];
			pointer_index++;
			placed_pointer_for_word = 1;
		}
			
		if(character == ' ') {
			if(prev_character != ' ') {
				word[word_index] = '\0';
				word_index++;
				placed_pointer_for_word = 0;
			}
		} else {
			word[word_index] = character;
			word_index++;
		}
		

		prev_character = character;
	}
}

void print_word(char word[], char *wordp[], int word_number) {
	if(word = wordp[word_number-1]) {
		printf("%s\n", word);
	} else {
		printf("Word number %d doesn't exist!\n", word_number);
	}
	putchar('\n');
}