#include <bits/stdc++.h>
using namespace std;
string s;
char dif(int i, int j) {
  if (j == s.size()) j--;
  for (char ret = 'a'; ret <= 'z'; ret++) {
    if (ret != s[i] && ret != s[j]) return ret;
  }
}
int main() {
  cin >> s;
  for (int i = 1; i < s.size(); i++) {
    if (s[i] == s[i - 1]) s[i] = dif(i - 1, i + 1);
  }
  cout << s << endl;
  return 0;
}
