#include<iostream>
#include<fstream>

using namespace std;

int main() 
{
    std::ifstream inFile;   
    std::ofstream outFile;  
    inFile.open("abc.txt");

    if (!inFile) 
	{
        std::cout << "Error: Unable to open input file!" << endl;
        return 1;
    }

    outFile.open("xyz.txt");

    if (!outFile) {
        std::cout << "Error: Unable to open output file!" << endl;
        return 1;
    }

    std::string line;
    while (std::getline(inFile, line)) 
	{
        outFile << line << endl;
    }

    inFile.close();
    outFile.close();

    std::cout << "Content copied successfully!" << endl;

    return 0;
}