#include <bits/stdc++.h>
using namespace std;
string convert(long long N) {
  string res = "";
  while (N > 0) {
    if (N > 10) {
      res += ('9');
      N -= 10;
    } else {
      res += (char)(N + '0');
      N = 0;
    }
  }
  return res;
}
long long val(string s) {
  long long res = 0;
  for (auto a : s) {
    res = res * 10 + (a - '0');
  }
  return res;
}
int main() {
  ios::sync_with_stdio(false);
  int len = 400;
  cout << string(len, '5') << "\n";
  cout << (string(len - 1, '4') + '5') << "\n";
  return 0;
}
