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#include <conio.h>#include <iostream>using namespace std;int main(){  int bla=0;  while(bla!=13)  {    bla=getch();    system("cls");    if(bla==0 || bla==224)    {      bla=getch();    }        switch(bla)    {      case 72:        cout << "\x18\n";        break;      case 80:        cout << "\x19\n";        break;      case 75:        cout << "\x1B\n";        break;      case 77:        cout << "\x1A\n";        break;      default:        cout << "\x01";    }  }  return 0;}