#include <bits/stdc++.h>
using namespace std;
inline char inc(char c1, char c2) {
  char c;
  for (c = 'a'; c <= 'z'; c++)
    if (c != c1 && c != c2) return c;
}
int main() {
  ios_base::sync_with_stdio(false), cin.tie(0);
  string s;
  cin >> s;
  int ans = 0;
  for (int i = 0; i + 1 < s.size(); i++) {
    if (s[i] == s[i + 1]) {
      if (i + 2 < s.size() && s[i + 2] == s[i]) {
        s[i + 1] = inc(s[i], s[i + 2]);
      } else {
        char send;
        if (!i)
          send = s[i + 1];
        else
          send = s[i - 1];
        s[i] = inc(send, s[i + 1]);
      }
      ans++;
    }
  }
  cout << s << '\n';
  return 0;
}
