// HexConvert.cpp

#include <iostream>
#include <iomanip>
#include <sstream>
#include <string>
using namespace std;

#define HalfByteToHex(n) ((char) (((n) > 9) ? ((n) - 10 + 'A') : ((n) + '0')))

template <class T> string toHex(T t) {

  string temp;
  const int mask = 0xf;
  while(t > 0) {
    temp.insert(0,HalfByteToHex(mask & t));
    t = t >> 4;
  }
  while(temp.size() < sizeof(T))
    temp.insert(0,'0');
  return temp;
}

void main() {

  int j,k;
  for(j=0; j<511; j+=8) {
    cout << "\n  ";
    for(k=0; k<8; k++) {
      cout << toHex(j+k).c_str() << " ";
    }
  }
  cout << "\n\n";
}