#include <bits/stdc++.h>
using namespace std;
const long long INF = 1e9 + 7;
struct fastIO {
  fastIO() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    cout << fixed << setprecision(12);
  }
} fio;
template <typename... T>
void read(T&... args) {
  ((cin >> args), ...);
}
void test_case() {
  long long n, m;
  read(n, m);
  for (long long i = 0; i < 1000; i++) cout << "5";
  cout << "\n";
  for (long long i = 0; i < 999; i++) cout << "4";
  cout << "5\n";
}
int32_t main() {
  long long T = 1;
  while (T--) {
    test_case();
  }
  return 0;
}
