#include<stdio.h>
#include<string.h>
int main()
{
	char a[80],b[80];
	int x,i=0,j=0;
	gets(a);
	x=strlen(a);
	if(a[i]>=48&&a[i]<=57)
	{
		b[j]=a[i];
		j++;
	}

	else
	{
		b[j]='*';
		j++;
	}
i=1;
	while(i<=(x-1))
	{
		if(a[i]>=48&&a[i]<=57)
		{
			b[j]=a[i];
			j++;
		}
		else if(b[j-1]!='*')
		{
			b[j]='*';
			j++;
		}
		i++;

	}
	b[j]='\0';
	puts(b);
}
/**************************************************************
	Problem: 1132
	User: admin
	Language: C
	Result: Accepted
	Time:9 ms
	Memory:1036 kb
****************************************************************/