#include <bits/stdc++.h>
using namespace std;
int ss(int x) {
  int ans = 0;
  while (x) {
    ans += x % 10;
    x /= 10;
  }
  return ans;
}
int main() {
  int n, m;
  cin >> n >> m;
  int quo = m / 9;
  int rem = m % 9;
  vector<int> vc;
  int cnt = 0;
  for (int i = 0; i < quo; i++) {
    vc.push_back(9);
    cnt++;
  }
  if (rem) {
    vc.push_back(rem);
    cnt++;
  }
  cnt = 2000 - cnt;
  for (int i = 0; i < cnt; i++) {
    vc.push_back(0);
  }
  cnt = 2000 - n;
  vector<int> gc;
  for (int i = 0; i < cnt; i++) {
    gc.push_back(0);
  }
  for (int i = 0; i < n; i++) {
    gc.push_back(1);
  }
  for (int i = 1999; i > 0; i--) {
    if (vc[i] >= gc[i]) {
      vc[i] = vc[i] - gc[i];
    } else {
      vc[i - 1]--;
      vc[i] = (10 + vc[i] - gc[i]);
    }
  }
  for (int i = 0; i < n; i++) {
    cout << 1;
  }
  cout << " ";
  int i;
  for (i = 0; i < 2000; i++) {
    if (vc[i] != 0) break;
  }
  for (int j = i; j < 2000; j++) {
    cout << vc[j];
  }
}
