#include <bits/stdc++.h>
using ll = long long;
using llu = long long unsigned;

using namespace std;
#define MOD 998244353
int main() {
    string S;
    cin >> S;
    bool isStart = false;
    for (auto x : S) {
        if (x=='#') {
            if (isStart) { isStart = false; }
            else { isStart = true; }
        } else {
            if (isStart) { cout << x; }
        }
    }
    cout << endl; return 0;
}