text: #include <fstream>
  #include <iostream>
  #include <string>
  
  using namespace std;
  int main() 
  { 
      ifstream file("input");
      string str; 
      int sum;
  
      while (getline(file, str))
      {
          sum += stoi(str);
      }
  
      cout << "Sum: " << sum << endl;
  }
  