move a char across the screen using the arrow keys (good for making games)

#include <iostream.h>
#include <stdlib.h>
#include <conio.h>
int main()
{
 int top=40;// keeps up with the top coordinate
 int side=12;// keeps up with the side coordinate
 char input;//will detect arrow keys
 char kc;//will get the players charachter
 cout << "Please Enter a Charachter!\n";
 kc=getche();// gets the user charachter
 cout << flush;
 cout << "\nNow Just press the arrow keys to move the " << kc << " across the Screen!!\n\n";
 cout << "Press any arrowkey to continue...\n";
 getch();
 system ("cls");//clears the screen
 _setcursortype(_NOCURSOR);// removes the cursor from the screen!
 gotoxy(20,24);cout << "Press The Arrow Keys to move the " << kc << " Around!!\n"<<flush;
 gotoxy(37,25);cout << "Esc to Quit\n"; 
 gotoxy(40,12);cout << kc <<flush; 
 while (input!=27)// while the user does NOT hit escape
 {
 input=getch();//get user input
 if (input==0)// if a special key is pressed... in this case if an arrow key is pressed
 {
  input=getch();//call getch() again to get the next value
   if (input=='K')// if it's the left arrow key
   {
   gotoxy(top,side);cout << " "<< flush;// all this does is put a space where the charachter WAS
   top--;// subtract from the top coordinate
   gotoxy(top,side);cout << kc << flush; // prints the charachter at the new location
   } 
  else if (input=='P')// if the down arrow key is pressed
  {
   gotoxy(top,side);cout << " " << flush;
   side++;// adds one to the top coordinate
   gotoxy (top,side);cout << kc << flush;
  }
  else if (input=='M')// if the right arrow key is pressed 
  {
   gotoxy(top,side);cout << " " << flush;
   top++; //adds one to the top coordinate
   gotoxy(top,side);cout<< kc << flush;
  }
  else if (input=='H')// if the up arrow key is pressed
  {
  gotoxy(top,side);cout << " " << endl;
  side--;
  gotoxy(top,side);cout << kc << flush;
  }
 }
 }
 return 0;
}