#include <bits/stdc++.h>
using namespace std;
const int maxn = 1e5 + 5;
int main() {
  string s;
  cin >> s;
  for (int i = 1; i < s.size(); i++) {
    if (s[i] == s[i + 1] && s[i] == s[i - 1]) {
      s[i] = (s[i] == 'a' ? 'b' : 'a');
    }
  }
  for (int i = 1; i < s.size(); i++) {
    if (s[i] == s[i - 1]) {
      char c = 'a';
      while (s[i] == c || s[i + 1] == c) c++;
      s[i] = c;
    }
  }
  cout << s << "\n";
  return 0;
}
