JA3-Task-2-Copy-Paste

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

string copyingText(string text, int copyFrom, int copyTo)
{
    string result;
    int copyBeginIndex = 0;
    int copyEndIndex = (int)text.size();
    int size = (int)text.size();
    for(int i = copyFrom; i >= 0; --i)
    {
        if(text [i] == ' ')
        {
            copyBeginIndex = i + 1;
            break;
            for(int k = copyTo; k <= size; ++k)
            {
                if (text [k] == ' ')
                {
                    copyEndIndex = k;
                    break;
                }
                if (k + 1 > size)
                {
                    copyEndIndex = size;
                    break;
                }
            }
            if(copyTo > size)
            {
                copyEndIndex = size;
                break;
            }
        }
        if(i == 0)
        {
             copyBeginIndex = 0;
             for(int k = copyTo; k <= size; ++k)
             {
                if(text [k] == ' ')
                {
                    copyEndIndex = k;
                    break;
                }
                if (k + 1 == size)
                {
                    copyEndIndex = size;
                    break;
                }
            }
            if(copyTo > size)
            {
                copyEndIndex = size;
                break;
            }
        }
    }
    result = text.substr(copyBeginIndex, copyEndIndex - copyBeginIndex);
    return result;
}

string pastedText(string text, string copiedText, int pasteIn)
{
    string result;
    if(text[pasteIn] == ' ')
    {
      result = text.substr (0, pasteIn);
      result.append (" ");
      result.append (copiedText);
      result += text.substr(pasteIn, text.size());
    }
    else
    {
        result = text.substr(0, pasteIn);
        result.append(copiedText);
        result.append(text.substr(pasteIn, text.size()));
    }
    return result;
}

int main()
{

string text;
getline (cin, text);
string command;
int copyFrom, copyTo, pasteIn;
stack<string> copiedText;
while(command != "end")
{
    cin >> command;
    if(command == "copy")
    {
        cin >> copyFrom;
        cin >> copyTo;
        string copyText = copyingText(text, copyFrom, copyTo);
        copiedText.push(copyText);
    }
    else if(command == "paste")
    {
        if(copiedText.empty())
            continue;
        else
        {
        cin >> pasteIn;
        string copyText = copiedText.top();
        copiedText.pop();
        text = pastedText(text, copyText, pasteIn);
        }
    }
}
cout << text;
return 0;
}