#include <bits/stdc++.h>
using namespace std;
const string alphabet{"abcdefghijklmnopqrstuvwxyzab"};
string solve(string& s) {
  int N = s.size();
  auto last = s[0];
  for (int i = 1; i < N; ++i) {
    if (s[i] == last) {
      auto next = alphabet[s[i] - 'a' + 1];
      if (i < N - 1 and s[i + 1] == next) next = alphabet[next - 'a' + 1];
      s[i] = next;
    }
    last = s[i];
  }
  return s;
}
int main() {
  ios::sync_with_stdio(false);
  string s;
  cin >> s;
  auto ans = solve(s);
  cout << ans << '\n';
  return 0;
}
