#include <bits/stdc++.h>
using namespace std;
int main() {
  string s;
  cin >> s;
  s = s + '.';
  for (int i = 0; i < s.size() - 1; i++)
    if (s[i] == s[i + 1]) {
      if (s[i] != 'a' && s[i + 2] != 'a')
        s[i + 1] = 'a';
      else if (s[i] != 'b' && s[i + 2] != 'b')
        s[i + 1] = 'b';
      else if (s[i] != 'c' && s[i + 2] != 'c')
        s[i + 1] = 'c';
    }
  s.resize(s.size() - 1);
  cout << s << endl;
  return 0;
}
