int main (){

int time;
int height;
double bounceHeight;
double dash;

  cout << "Please enter the initial height\n";
  cin >> height;

  if (height > lower && height < upper){
    cout << "    5    10   15   20   25   30   35   40   45   50   55   60   65   70   75   80\n";

    for (time = 0; dash = height; dash = (dash-((time*time)/2)); dash > end;){

        cout << ""<<mark<<"";
        dash = dash+1;
        time = time+1;
      }

      cout << "\n";

      bounceHeight=height;

    while (bounceHeight > end){

        for (dash=(bounceHeight*(3/4)) ; dash > end ; --dash){
          cout << ""<<mark<<"";

          bounceHeight = dash ;
        }
        cout << "\n";
      }
  }
  else{
    cout << " Invalid Input! \n";
  }
  cout << "\n";
  return 0;
}