Программа должна сохранять данный в файле

#include <iostream>
#include <fstream>
 
int main()
{
   std::ifstream ifs;
   ifs.open("temp.txt");
   if(!ifs)
      std::cout<<"Can`t open file\n";
   int total_money, earnings, costs, now, result;
   ifs>>now;
   std::cout<<"Enter your earnings: ";
   std::cin>>earnings;
   std::cout<<"Enter your costs: ";
   std::cin>>costs;
   total_money=earnings-costs;
   result=total_money+now;
   std::cout<<"Your money: "<< now <<'\n';
   std::cout<<"Your earnings: "<< earnings<< '\n';
   std::cout<<"Your costs: "<< costs<< '\n';
   std::cout<<"Now your money: "<< result<< '\n';
   std::ofstream temp;
   temp.open("temp.txt");
   temp<<result;
   std::ofstream ofs;
   ofs.open("input.txt", std::ios::app);
   ofs<<now<<' '<<' '<<earnings<<' '<<' '<<costs<<' '<<total_money<<' '<<result<<'\n';
   return 0;
}

{std::ifstream ifs;
   ifs.open("temp.txt");
   if(!ifs)
       std::cout<<"Can`t open file (temp.txt)\n";
   _getch();
   return 0;}

{std::ifstream ifs;
  ifs.open("input.txt");
   if(!ifs)
   std::cout<<"Can`t open file (input.txt)\n";
   _getch();
   return 0;}

#include <iostream>
#include <fstream>
#include "conio.h"
 
int main()
{
   std::ifstream ifs;
   ifs.open("temp.txt");
   if(!ifs)
  std::cout<<"Can`t open file (temp.txt)\n";
   
 
   ifs.open("input.txt");
   if(!ifs)
   std::cout<<"Can`t open file (input.txt)\n";
  
 
   int total_money, earnings, costs, now, result;
    ifs>>now;
   std::cout<<now;
   std::cout<<"Enter your earnings: ";
   std::cin>>earnings;
   std::cout<<"Enter your costs: ";
   std::cin>>costs;
   total_money=earnings-costs;
   result=total_money+now;
   std::cout<<"Your money: "<< now <<'\n';
   std::cout<<"Your earnings: "<< earnings<< '\n';
   std::cout<<"Your costs: "<< costs<< '\n';
   std::cout<<"Now your money: "<< result<< '\n';
   std::ofstream temp;
   temp.open("temp.txt");
   temp<<result;
   std::ofstream ofs;
   ofs.open("input.txt", std::ios::app);
   ofs<<now<<' '<<' '<<earnings<<' '<<' '<<costs<<' '<<total_money<<' '<<result<<'\n';
   _getch();
   return 0;
}