#include <bits/stdc++.h>
using namespace std;
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  ;
  string s;
  cin >> s;
  long long int i = 1;
  while (i < s.length()) {
    if (s[i] == s[i - 1]) {
      char p = 'a';
      ++p;
      while (s[i - 1] == p || s[i + 1] == p) {
        ++p;
      }
      s[i] = p;
    }
    ++i;
  }
  cout << s;
}
