// Morse Code
//
import java.util.Scanner;

public class Program2
{
	public static void main(String[] args)
	{
		Scanner scan = new Scanner(System.in);
		String line;
		int number;
		
		line = scan.nextLine();
		number = Integer.parseInt(line);
		
		while(number != -1) // read until the user enters -1
		{
			switch(number)
			{
				case 1: System.out.println(". _ _ _ _"); break;
				case 2: System.out.println(". . _ _ _"); break;
				case 3: System.out.println(". . . _ _"); break;
				case 4: System.out.println(". . . . _"); break;
				case 5: System.out.println(". . . . ."); break;
				case 6: System.out.println("- . . . ."); break;
				case 7: System.out.println("_ _ . . ."); break;
				case 8: System.out.println("_ _ _ . ."); break;
				case 9: System.out.println("_ _ _ _ ."); break;
				case 0: System.out.println("_ _ _ _ _"); break;
				default: System.out.println("Invalid input"); break;
			}
			
			line = scan.nextLine();
			number = Integer.parseInt(line);	
		}
	}
}