#include <bits/stdc++.h>
using namespace std;
const int MOD = 1e9 + 7;
int x4[] = {1, -1, 0, 0};
int y4[] = {0, 0, 1, -1};
int x8[] = {0, 0, +1, -1, -1, +1, -1, +1};
int y8[] = {-1, +1, 0, 0, +1, +1, -1, -1};
char a[20];
int main() {
  cin >> a;
  int len = strlen(a);
  for (int i = (0); i < (len); i++) {
    if (9 - a[i] + '0' < a[i] - '0') a[i] = '0' + 9 - a[i] + '0';
  }
  if (a[0] == '0') a[0] = '9';
  cout << a;
  return 0;
}
