#include<bits/stdc++.h>
using namespace std;
int main(){	
	string s;
	getline(cin,s);
	bool l=0,k=0;
	for(int i=0;i<s.size();i++){
		if(s[i]=='*'){
			if(l==0) cout<<'*';
		}
		else{
			l=1;
			cout<<s[i];
			k=0;
			for(int j=i+1;j<s.size();j++) if(s[j]!='*') k=1;
			if(k==0) l=0;
		}	
	}
return 0;}

/**************************************************************
	Problem: 1125
	User: fzy001
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2076 kb
****************************************************************/