#include <bits/stdc++.h>
using namespace std;
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  ;
  int n, m;
  cin >> n >> m;
  for (int i = 0; i < n; ++i) cout << 1;
  cout << endl;
  for (int i = 0; i < n - 1; ++i) cout << 8;
  cout << 9 << endl;
  return 0;
}
