#include <iostream>
#include <string>

int main() {
    std::string S;
    std::cin >> S;

    size_t left = S.find('#');
    size_t right = S.rfind('#');

    if (left != std::string::npos && right != std::string::npos && left < right) {
        std::string ans = S.substr(left + 1, right - left - 1);
        std::cout << ans << std::endl;
    }
    return 0;
}