#include <bits/stdc++.h>
using namespace std;
long long in() {
  int a;
  scanf("%d", &a);
  return a;
}
long long inll() {
  long long a;
  scanf("%lld", &a);
  return a;
}
const int e3 = 1003;
const int e4 = 10004;
const int e5 = 100005;
const int e6 = 1000006;
const int e7 = 10000007;
const int e8 = 100000008;
const int e9 = 1000000009;
int main() {
  int n = in(), m = in();
  int l = n / 4 + 1;
  for (int i = 0; i < l; i++) cout << 5;
  cout << endl;
  for (int i = 0; i < l - 1; i++) cout << 4;
  cout << 5 << endl;
}
