int main(){
    vector<int> vec;
    string s;
    getline(cin, s);
    for(int i = 0; i < s.size(); i++){
        if(s[i] >= '0' && s[i] <= '9'){
            int tmp = s[i] - '0';
            vec.push_back(tmp);
        }
        if(s[i] == '-'){
            int temp = '0' - s[i+1];
            vec.push_back(temp);
            i++;
        }
    }
    cout << "验证输入\n";
    for(auto x : vec) cout << x << " ";
    return 0;
}