#include <bits/stdc++.h>
using namespace std;
const int MAXN = 1e8;
const int INF = 1e9;
int N, M;
int ss(int x) {
  int ans = 0;
  while (x) {
    ans += x - (x / 10) * 10;
    x /= 10;
  }
  return ans;
}
int cantdig(int a) {
  int digits = 0;
  while (a) {
    a /= 10;
    digits++;
  }
  return digits;
}
string S, E;
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  cin >> N >> M;
  S.push_back('8');
  int digs = N;
  for (int i = digs - 1; i > 0; i--) {
    S.push_back('8');
  }
  S[S.size() - 1] += 1;
  for (int i = digs; i > 0; i--) {
    E.push_back('1');
  }
  cout << S << endl << E << endl;
  return 0;
}
