#include <bits/stdc++.h>
using namespace std;
char dist(char a, char b) {
  for (int i = 'a'; i <= 'z'; ++i) {
    if (i != a && i != b) return i;
  }
}
int main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  string s;
  cin >> s;
  for (int i = 1; i < s.size(); ++i) {
    if (s[i] == s[i - 1]) s[i] = dist(s[i + 1], s[i - 1]);
  }
  cout << s << "\n";
  return 0;
}
