#include <iostream>
using namespace std;

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

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