#include <bits/stdc++.h>
using namespace std;
string s;
int main() {
  getline(cin, s);
  for (int i = 1; i < s.length(); i++) {
    if (s[i] == s[i - 1])
      while ((s[i] == s[i - 1]) || (s[i] == s[i + 1])) {
        s[i]++;
        if (s[i] > 'z') s[i] = 'a';
      }
  }
  cout << s << endl;
  return 0;
}
