#include <iostream>
using namespace std;

int main() {
	char a[] ={ 0xDE, 0xFE, 0xFD, 0xFE };

	cout << 
            ((unsigned int)(a[0]) & 0x000000FF) << "." <<
            ((unsigned int)(a[1]) & 0x000000FF) << "." <<
            ((unsigned int)(a[2]) & 0x000000FF) << "." <<
            ((unsigned int)(a[3]) & 0x000000FF) << "\n";
	return 0;
}