#include <fstream>
#include <iostream>

using namespace std;

int parse()
{
	ifstream file("text.txt");
	if (!file.is_open()) {
		cout << "File not found." << endl;
		return 1;
	} else {
		...
	}
	file.close();
	return 0;
{

int main()
{
	parse();
	cout << "The program is executed correctly." << endl;

	return 0;
}