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