#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, m, a, b;
  bool bb = 1;
  string s, t;
  cin >> n >> m;
  a = b = 5;
  s = t = "5";
  while (a < n || b < n) {
    if (bb) {
      s.push_back('5');
      a += 5;
      t.push_back('4');
      b += 4;
    } else {
      s.push_back('4');
      a += 4;
      t.push_back('5');
      b += 5;
    }
    bb = !bb;
  }
  reverse(s.begin(), s.end());
  reverse(t.begin(), t.end());
  cout << s << endl;
  cout << t << endl;
  return 0;
}
