#include <iostream>
#include <string>

using namespace std;

unsigned int _rotl(const unsigned int value, int shift) {
    if ((shift &= sizeof(value) * 8 - 1) == 0)
        return value;
    return (value << shift) | (value >> (sizeof(value) * 8 - shift));
}

int main()
{
    string name;
    cout << "Enter your desired name:" << endl;
    cin >> name;
    int size = name.size();

    int a = 0;
    for (int i = 0; i < size; i++)
    {
        unsigned char   b = name[i];
        a += b;
        int eax = (int)b;
        a = _rotl(a, 1);
        eax *= a;
        a = eax;
        eax = b;
        a += eax;
        a ^= b;
    }
    int c = a;
    c ^= -1;
    c += 0xBADC0DE5;
    c ^= 0x1337C0DE;

    cout << "Your serial is: " << c << endl;
    system("pause");
    return 0;
}