My forst calculator test

#include <iostream>
#include <cstdlib>

using namespace std;

int main()
{
   char muvelet;
   int x;
   int y;

  // cout << "Milyen muveletet akarsz vegezni?" << endl;
 //  cout << "+" << endl;
 //  cout << "-" << endl;
  // cout << "*" << endl;
//   cout << "/" << endl;
 //  cin >> muvelet;

   while(true){
    if(false){cout<<endl;}
   else if( muvelet = '+' )
   {
       cin >> x;
   //    cout << "Miket akarsz osszeadni?" << endl;

       cin >> y;
       cout << "A ket szam osszege: ";
       cout << x+y << endl;

   }

   else if( muvelet = '-' )
   {
       cin >> x;
   //    cout << "Miket akarsz kivonni?" << endl;

       cin >> y;
       cout << "A ket szam kulonbsege: ";
       cout << x-y << endl;

   }

   else if( muvelet = '*' )
   {
       cin >> x;
   //    cout << "Miket akarsz szorozni?" << endl;

       cin >> y;
       cout << "A ket szam szorzata: ";
       cout << x*y << endl;

   }

   else if( muvelet = '/' )
   {
       cin >> x;
  //     cout << "Miket akarsz osztani?" << endl;

       cin >> y;
       cout << "A ket szam hanyadosa: ";
       cout << x/y << endl;

   }
   }
system("pause");
    return 0;
}