#include <bits/stdc++.h>
using namespace std;
const double eps = 1e-9;
const double pi = acos(-1.0);
const int INF = 1000000000;
const int dx[4] = {0, 0, 1, -1};
const int dy[4] = {1, -1, 0, 0};
const int N = 100001;
int main() {
  ios_base::sync_with_stdio(0);
  string s, ans;
  cin >> s;
  if (s.length() <= 1) {
    cout << s << endl;
    return 0;
  }
  ans = s[0];
  for (int i = 1; i < s.length() - 1; i++) {
    if (s[i] == ans[i - 1]) {
      for (char x = 'a'; x <= 'z'; x++) {
        if (x != ans[i - 1] && x != s[i + 1]) {
          ans += x;
          break;
        }
      }
    } else {
      ans += s[i];
    }
  }
  int l = s.length() - 1;
  ans += s[l];
  l = ans.length();
  if (ans[l - 1] != ans[l - 2]) {
    cout << ans << endl;
  } else {
    int l = ans.length() - 1;
    for (char x = 'a'; x <= 'z'; x++)
      if (ans[l] != x) {
        ans[l] = x;
        break;
      }
    cout << ans << endl;
  }
  return 0;
}
