#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: \n";

      cin>>speed;

      if(speed < 55)
      {
         fprintf(outfile, "%d is too slow\n\n", speed);
      }
      else if(speed < 71)
      {
         fprintf(outfile, "You're doing great at %d!\n\n", speed);
      }
      else
      {
         fprintf(outfile, "Slow down buddy, %d is way too fast!\n\n", speed);
      }
   }

   fclose(outfile);

   return 0;
}