import java.io.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class Main {
	public static void main(String[] args) {
		try{
			BufferedReader input  = new BufferedReader(new InputStreamReader(new FileInputStream("convertor.in")));
			PrintStream output = new PrintStream("convertor.out");
			String line = null;
			String sb = new String();
			while((line = input.readLine()) != null){
				sb += line;
			}
			input.close();
			String [] s = sb.split("}\\s*\\]|}");
			Pattern p = Pattern.compile("(\".*?\")\\s*:\\s*(\\w+|\".*?\")");
			Matcher m = p.matcher(s[0]);
			while(m.find()){
				output.print(m.group(1).replace("\"", "") + ",");
			}
			output.println();
			for(int i = 0; i < s.length; i++){
				m = p.matcher(s[i]);
				m.reset(s[i]);
				while(m.find()) {
					output.print(m.group(2).replace("\"", "") + ",");
				}
				output.println();
			}
			output.close();
		}catch(Exception e){
			e.printStackTrace();
		}
	}
}