#include<iostream>
#include<string>
using namespace std;

void main()
{
	//Shawn,Jacob,John,Doug,Sponge-Bob,Dana Andrew Steil
	string s;
	getline(cin,s);
	string name = "";
	
	int start = 0;
	unsigned int length = s.find(",");

	while(length != string::npos )
	{
		name = s.substr(start,length);
		cout << name << endl;
		start += length + 1;
		length = s.substr(start).find(",");
		if(length == string::npos)
		{
			name = s.substr(start);
			cout << name << endl;
		}
	}

	//cout << s.find("lkhik") << endl;
	//cout << string::npos << endl;
	



	//for(int i = 0; i < s.length();i++)
	//{
	//	if(s[i] == ',')
	//	{
	//		cout << name << endl;
	//		name = "";
	//	}
	//	else
	//	{
	//		//cout << s.at(i);
	//		name += s.at(i);
	//	}
	//}
	//cout << name << endl;


	//Enter URL>www.harding.edu/?name=value1&name2=value2&x=7&y=Hi Mom&var=123
	//Enter Name>y
	//	y -> Hi Mom
	//Enter Name>var
	//	123
	//Enter Name>test
	//  'test' not found
	//Enter Name>Quit




}