Menentukan bilangan ganjil dan genap C++

# include <iostream.h>

# include <conio.h>

void main ()

{

int angka;

char x;

atas:

cout<<"PENGGOLONGAN BILANGAN GENAP & GANJIL"<<endl;

cout<<"===================================="<<endl;

cout<<endl<<"masukan angka = ";cin>>angka;

 if ( angka%2==0) //operasi modulus

 {cout<<"bilangan genap\n";

 }

 else

 {

 cout<<"bilangan ganjil";

 }

cout<<"mau mencoba lagi ? (y/t) ";

cin>>x;

if(x=='y')

{clrscr();

goto atas;}

else goto exit;

exit:

}