#include <iostream>

using namespace std;

int main()
{
   FILE* outfile;
   int speed = 1;

   outfile = fopen("my_speed.txt", "w");

   while(speed > 0)
   {
      cout<<"Enter the speed: "<<endl;
      fprintf(outfile, "Enter the speed: \n");

      cin>>speed;

      if(speed < 55)
      {
         cout<<"Too slow!\n"<<endl;
         fprintf(outfile, "Too slow\n");
      }
      else if(speed < 71)
      {
         cout<<"You're doing great!\n"<<endl;
         fprintf(outfile, "You're doing great!\n\n");
      }
      else
      {
         cout<<"Slow down buddy!\n"<<endl;
         fprintf(outfile, "Slow down buddy!\n\n");
      }
   }

   fclose(outfile);

   return 0;
}