#include <iostream>

int main ()
{
    unsigned int ipAddress = 0x12345678;
    std::cout   << ((ipAddress >> 24) & 0xFF) << "."
                << ((ipAddress >> 16) & 0xFF) << "."
                << ((ipAddress >> 8 ) & 0xFF) << "."
                << ((ipAddress      ) & 0xFF) << std::endl;
    return 0;
}