/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String[] words = new String[] {"hello", "hello", "i", "i", "am", "norman"};
		int from=0,to=0;
		while(from < words.length) {
			String word = words[from];
			boolean unique = true;
			for(int i = 0; i < to; i++) {
				if( word.equals(words[i]) ) {
					unique = false;
					break;
				}
			}
			if( unique ) {
				words[to] = word;
				to++;
			}
			from++;
		}
		for(int i = 0; i < to; i++) {
			System.out.println(words[i]);
		}
 
		//String[] uniquewords = new String[to];
		//for(int i = 0; i < to; i++) {
		//	uniquewords[i] = words[i];
		//}
	}
}

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