原題連結

import java.util.Scanner;

public class Main {
	public static void main(String[] args) {

		Scanner reader = new Scanner(System.in);
		int i,flag;
		String str;
		str=reader.nextLine();
		int length = str.length();
		char[] s=new char[82];
		flag=0;
		if(str.charAt(0)<='9'&&str.charAt(0)>='0')s[flag++]=str.charAt(0);
		else s[flag++]='*';
		for(i=1;i<length;i++)
		{
			if(str.charAt(i)<='9'&&str.charAt(i)>='0')
			{
				s[flag++]=str.charAt(i);
			}
			else
			{
				if(s[flag-1]!='*')s[flag++]='*';
			}
		}
		for(i=0;i<flag;i++)
		{
			System.out.print(s[i]);
		}
		reader.close();
	}
}