#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(nullptr);
  string s;
  cin >> s;
  for (int i = 1; i < s.size(); ++i) {
    if (s[i - 1] == s[i]) {
      for (int c = 0; c < 26; ++c) {
        if (s[i - 1] != 'a' + c && (i == s.size() - 1 || s[i + 1] != 'a' + c)) {
          s[i] = 'a' + c;
          break;
        }
      }
    }
  }
  cout << s << endl;
}
