#include <bits/stdc++.h>
using namespace std;
const int N = 1e6;
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  string s;
  cin >> s;
  s.push_back(';');
  for (int i = 1; i < s.size() - 1; i++) {
    if (s[i] != s[i - 1]) continue;
    for (char j = 'a'; j <= 'z'; j++) {
      if (j != s[i - 1] && j != s[i + 1]) {
        s[i] = j;
        break;
      }
    }
  }
  s.pop_back();
  cout << s << endl;
  return 0;
}
