// alex lo

import java.util.*;

class mad {
	static Scanner inputScanner;

	public static void main(String[] args) {
		inputScanner = new Scanner(System.in);

		while (inputScanner.hasNext()) {
			long k = inputScanner.nextInt();

			if(k == 0)
				break;

			List<Integer> ints = new ArrayList<Integer>();

			for (long c = 0; c < k; c++) {
				int in = inputScanner.nextInt();
				ints.add(new Integer(in));
//				System.out.println(in);
			}
			
			List<Integer> output = new ArrayList<Integer>();
			int currentInt = 1;

			for (Integer elementOfList : ints)
			{			
				
				while(elementOfList.intValue() > output.size())
				{
					output.add(new Integer(currentInt));					
				}
				currentInt++;
			}
			
//			for (Integer o : output) {				
//				System.out.print(o.toString());
//			}
			
			for (int i = 0; i < output.size(); i++) 
			{ 
				System.out.print(output.get(i).toString());
				if(i < output.size() - 1)
					System.out.print(" ");
//			    char c = line.charAt(i); 
			}
			
			
			System.out.println();
		}
	}
}