#include #include #include #include #include #include #include #include #include #include #include static const int MOD = 998244353; using ll = long long; using uint = unsigned; using ull = unsigned long long; using namespace std; template constexpr T INF = ::numeric_limits::max() / 32 * 15 + 208; int main() { string s; cin >> s; int x = 0; for (auto &&i : s) { if(i == '#') x ^= 1; else if(x) cout << i; } puts(""); return 0; }