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