import java.util.*;

public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    
    int i = 1;
    int ans = 0;
    while (n != 0) {
      ans += i*(n % 10 == 1 ? 9 : 1);
      n /= 10;
      i *= 10;
    }
    
    System.out.println(ans);
  }
} import java.util.*; util.* java public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    
    int i = 1;
    int ans = 0;
    while (n != 0) {
      ans += i*(n % 10 == 1 ? 9 : 1);
      n /= 10;
      i *= 10;
    }
    
    System.out.println(ans);
  }
} Main public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    
    int i = 1;
    int ans = 0;
    while (n != 0) {
      ans += i*(n % 10 == 1 ? 9 : 1);
      n /= 10;
      i *= 10;
    }
    
    System.out.println(ans);
  } main {
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    
    int i = 1;
    int ans = 0;
    while (n != 0) {
      ans += i*(n % 10 == 1 ? 9 : 1);
      n /= 10;
      i *= 10;
    }
    
    System.out.println(ans);
  } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int n = sc.nextInt(); n sc.nextInt() sc.nextInt sc int i = 1; i 1 int ans = 0; ans 0 while (n != 0) {
      ans += i*(n % 10 == 1 ? 9 : 1);
      n /= 10;
      i *= 10;
    } n != 0 n 0 {
      ans += i*(n % 10 == 1 ? 9 : 1);
      n /= 10;
      i *= 10;
    } ans += i*(n % 10 == 1 ? 9 : 1) ans i*(n % 10 == 1 ? 9 : 1) i (n % 10 == 1 ? 9 : 1) n % 10 == 1 n % 10 n 10 1 9 1 n /= 10 n 10 i *= 10 i 10 System.out.println(ans) System.out.println System.out System System.out ans String[] args args public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    
    int i = 1;
    int ans = 0;
    while (n != 0) {
      ans += i*(n % 10 == 1 ? 9 : 1);
      n /= 10;
      i *= 10;
    }
    
    System.out.println(ans);
  }
} public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    
    int i = 1;
    int ans = 0;
    while (n != 0) {
      ans += i*(n % 10 == 1 ? 9 : 1);
      n /= 10;
      i *= 10;
    }
    
    System.out.println(ans);
  }
} Main
import java.util.*;

public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    
    int i = 1;
    int ans = 0;
    while (n != 0) {
      ans += i*(n % 10 == 1 ? 9 : 1);
      n /= 10;
      i *= 10;
    }
    
    System.out.println(ans);
  }
}