#include <bits/stdc++.h>
const int oo = (1LL << 30);
const long long OO = (1LL << 62);
const int MaxSize = 1e2 + 2;
const double PI = 3.141592653589;
const int sz = 1e5 + 5;
using namespace std;
void run() {
  ios_base::sync_with_stdio(false);
  cin.tie(nullptr), cout.tie(nullptr);
}
int freq[26];
int main() {
  run();
  string s;
  cin >> s;
  for (int i = 1; i < (int)s.size(); i++) {
    if (s[i] == s[i - 1]) {
      for (int j = 'a'; j <= 'z'; j++) {
        if (s[i + 1] != j && s[i - 1] != j) {
          s[i] = j;
          break;
        }
      }
    }
  }
  cout << s << endl;
}
