#include<iostream>
#include<string>
using namespace std;
int main(){
	string s; cin >> s;
	int n = s.size();
	int piv = 0;
	int mode = 0;
	while(piv < n){
		if (s[piv] == '#'){
			mode ^= 1;
		}else if (mode == 1){
			cout << s[piv];
		}
		piv++;
	}
	cout << '\n';
}