import java.util.*;
import java.lang.*;

class Main {
	public static void main (String[] args) throws java.lang.Exception {
		StringBuilder word = new StringBuilder(4);
        word.setLength(4);

        for(int i = 0; i < 4; i++)
            word.setCharAt(i,'-');
            
        System.out.println(word.toString());
	}
}