source_code: import java.util.*;
  import java.io.*;
  import java.lang.*;
  import java.math.*;
  public class B {
      public static void main(String[] args) throws Exception {
          BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));
          PrintWriter out = new PrintWriter(new OutputStreamWriter(System.out));
          // int n = Integer.parseInt(bf.readLine());
          StringTokenizer st = new StringTokenizer(bf.readLine());
          // int[] a = new int[n]; for(int i=0; i<n; i++) a[i] = Integer.parseInt(st.nextToken());
          int n = Integer.parseInt(st.nextToken());
          int m = Integer.parseInt(st.nextToken());
          StringBuilder ans1 = new StringBuilder();
          StringBuilder ans2 = new StringBuilder();
          for(int i=0; i<2229; i++) ans1.append('5');
          ans1.append('6');
          for(int i=0; i<2230; i++) ans2.append('4');
          out.println(ans1.toString());
          out.println(ans2.toString());
          out.close(); System.exit(0);
      }
  }
  