#include<iostream>
using namespace std;

//STRING PARSING - breaking apart a string into logical chuncks
//Tokens - the parts of the string that are delimited 
//Delimiter - is the char or characters used as markers to seperate a string into 
// its parts

void main()
{
	char phrase[1000];	
	cin.getline(phrase,1000);

	//strtok - replaces all of the delimiters with '\0's and returns the
	//address of the first token, 
	//when you call it again it returns the addess of the next token
	//keep calling it until NULL is returned
	
	char* token = strtok(phrase," \t\n\r");

	while(token != NULL)
	{
		if(strlen(token) > 0)
			cout << token << endl;
		token = strtok(NULL,"  \t\n\r");
	}

	//the origional phrase is now trashed
	cout << phrase;
}

//void main()
//{
//	char phrase[1000];	
//	cin.getline(phrase,1000);
//
//	char word[100];
//	int wordIndex = 0;
//
//	//this is a test
//
//	//returns the address of where a char is found in a string
//	//this function returns NULL if the char is not found
//	//NULL is the address 0
//	char* start = phrase;
//	char* p = strchr(start,' ');
//	//if p is not NULL we found a space
//	while(p != NULL)
//	{
//		int indexOfSpace = int(p - start);
//		strncpy(word,start, indexOfSpace);	
//		word[indexOfSpace] = '\0';
//		cout << word << endl;
//
//		start = p + 1;
//		p = strchr(start, ' ');
//	}
//
//	cout << start << endl;
//	
//
//}