#include <iostream>
using namespace std;

typedef unsigned char byte;

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

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