import java.util.*;

public class StringTests
{
	public static void main (String args[])
	{
		String s = "ab,cd,efg,hi";
		String delim = ",";
		
		StringTokenizer st = new StringTokenizer (s, delim);
		while (st.hasMoreTokens()) {
			System.out.println(st.nextToken());
		}
	}
}