코딩테스트 12번

package main;

import java.util.ArrayList;
import java.util.Scanner;


public class Main {

	public  String  solu(int a,String b) {

		
		String an = "";
		
		 b = b.replace("#", "1");
		 b = b.replace("*", "0");
		 
		 
		 for(int i = 0; i + 7 <= b.length(); i += 7) {
			 String tmp1 = b.substring(i,i + 7);
			 int targetNum = Integer.parseInt(tmp1, 2);
	            char ch = (char) targetNum;
	            an += ch;
		 }
		 
		return an;
	}
	
	
	public static void main(String[] args) {
		
	
	
	Main main = new Main();
	
	
	
	
	Scanner scan = new Scanner(System.in);
	
	int a = scan.nextInt();
	String b  = scan.next();
	
	
	
	
	
	
	System.out.println(main.solu(a,b));
	
	
	

	}
	
	
	

	
	}