#include <iostream>
#include <string>

using namespace std;

void toUpper(string & str)
{
	int length = str.size();
	for(int i = 0; i < length; i++)
	{
		str[i] = toupper(str[i]);
	}
}

int main()
{
	string name = "betabin";
	string serial = "501";

	unsigned int fName = 0;

	toUpper(name);
	
	int nameLength = name.size();
	for(int i = 0; i < nameLength; i++)
	{
		fName += name[i];
	}
	fName ^= 0x00005678;
	/*
	unsigned int fSerial = 0;

	int serialLength = serial.size();
	for(int i = 0; i < serialLength; i++)
	{
		unsigned int ebx = serial[i] - 0x30;
		fSerial = fSerial * 0x0a + ebx;
	}
	fSerial ^= 0x00001234;

	if(fName == fSerial)
	{
		cout << "Right." << endl;
	}
	else
	{
		cout << "Wrong." << endl;
		cout << "True serial is: " << fSerial << endl;
	}
	*/

	fName ^= 0x00001234;
	cout << fName << endl;

	return 0;
}

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