#include <bits/stdc++.h>
using namespace std;
const int N = 110;
int a[N], al;
string s[N];
int sl;

// 2进制转16进制  0011 1100
char get(string x) { // x 必须是4位一组的01数字  --> E  B   A
  int sum = 0;
  int base = 1;
  for (int i = x.size() - 1; i >= 0; i--) {
    sum += (x[i] - '0') * base;
    base *= 2;
  }
  if (sum >= 10)
    return (char)(sum - 10 + 'A');
  return (char)(sum + '0');
}

// x=0000 0111
// 0E
string getHex(string x) {    // 0E FE AC
  string a = x.substr(0, 4); // 前4个
  string b = x.substr(4, 4); // 后4个
  string c;
  c.push_back(get(a));
  c.push_back(get(b));
  return c;
}

int main() {
  long long n = 987654321012345678;
  while (n) {
    int x = n % 2;
    n /= 2;
    a[++al] = x;
  }
  // 需要添加若干0来完成补位，需要添加多少个？
  int x = 7 - al % 7;
  if (al % 7 == 0)
    x = 0;
  al += x;

  for (int i = al; i >= 1; i -= 7) { // 每一组
    string q = "";
    if (i == 7)
      q = q + "1";
    else
      q = q + "0";
    for (int j = 0; j < 7; j++) // 每一个
      q = q + to_string(a[i - j]);

    s[++sl] = q;
  }

  for (int i = sl; i; i--)
    cout << getHex(s[i]) << " ";

  return 0;
}