2

#include <iostream>
#include <string>
#include <sstream>
#include <stack>
using namespace std;

int main()
{
    std::ios_base::sync_with_stdio(false); //io optimization
    std::cin.tie(nullptr); //io optimization

    string input, line, word, newString, comand, Nstr;
    int BeginPos, EndPos, PastPos;
    stack<string> setWord;

    //vhod

    getline(cin, input);

    while (getline(cin, comand))
    {

        istringstream line(comand);
        line >> word;
        //comand Copy
        if (word == "copy")
        {
            line >> BeginPos;
            line >> EndPos;
            while ((BeginPos > 0) && isalpha(input[BeginPos]))
            {

                BeginPos--;

            }
            if (input[BeginPos] == ' ') BeginPos ++;


            while ((EndPos <input.size()-1) && isalpha(input[EndPos]))
            {
                EndPos++;
            }
            if (EndPos >= input.size() - 1) EndPos = input.size();

            newString = input.substr(BeginPos,( (EndPos )- BeginPos) );
            setWord.emplace(newString);

         }
        else if (word == "paste")
        {
            line >> PastPos;
            if (!setWord.empty())
            {
                Nstr = setWord.top();
                setWord.pop();
            }
            else break;

            if (input[PastPos] == ' ')
                input.insert(PastPos,' '+Nstr);
            else
                input.insert(PastPos, Nstr);


        }
        else if (word == "end")
        {
            cout << input;
            break;
        }

    }


}