set3

#include <iostream>
#include <cmath>
#include <vector>
#include <algorithm>
#include <string>
#include <fstream>
#include <sstream>
#include <set>

using namespace std;

int main() {
    string s;
    getline(cin, s);
    stringstream in(s);
    set <string> vse;
    set <string> other;
    set <string> excl;
    while (in >> s) {
        if (s.back() == '.' or s.back() == '?') {
            s.pop_back();
            vse.insert(s);
            for (auto str : vse) {
                other.insert(str);
            }
            vse.clear();
        }
        else if (s.back() == '!') {
            s.pop_back();
            vse.insert(s);
            for (auto str : vse) {
                excl.insert(str);
            }
            vse.clear();
        }
        else {
            vse.insert(s);
        }
    }



    for (auto x : excl) {
        other.erase(x);
    }

    for (auto str : other) {
        cout << str << " ";
    }

}
What will you do? Your ARMS are in your MAGIC CHEST pooplord! You CAPTCHALOGUE them in your SYLLADEX. You are neither of these things.