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