C++ , calculation by do while , switch

simple calc

#include <iostream>
using namespace std;
int main()
{
		cout<<"********************************************************************************\n";
	cout<<"**** Designed By: Mohamed Ramadan              The Caculation              *****\n";
	cout<<"********************************************************************************\n";

	int x[2];
	char y;
	
	int d=1;
	do{
		if(x[1]==0)
		return 0;
		cout<<"Enter The Operation ::";
	cout<<endl;
	cin>>x[1];
	if(x[1]==0)
	break;
	cin>>y;
	cin>>x[2];
switch(y){
	case('+'):
	cout<<x[1]+x[2];
	break;
	case('-'):
	cout<<x[1]-x[2];
	break;
	case('*'):
	cout<<x[1]*x[2];
	break;}
	cout<<endl;}while(d=1);
	return 0;
}