perulangan C++

#include <iostream.h>
#include <conio.h>
#include <stdlib.h>
void main()
{

intnilai;
char ulang;
do

{

clrscr();
cout<<"MasukanNilaiAnda:";
cin>>nilai;
cout<<"AndaMemperolehNilai:"<<nilai<<endl;
cout<<"ApakahAndaTelahPuasMendapatNilai ? "<<nilai<<endl;

            cout<<"Apakahandainginkembalimemasukannilai? : "<<endl;

            cout<<"Pilihan (y/n)"; cin>>ulang;

}

while(ulang=='y');
cout<<"AndaSudahPuasMendapatkanNilai "<<nilai<<endl;
getch();

}