#include <bits/stdc++.h>
using namespace std;
int main() {
  if (fopen("Test.INP", "r")) freopen("Test.INP", "r", stdin);
  string s;
  cin >> s;
  int n = s.size();
  if (n == 1) {
    cout << s;
    return 0;
  }
  for (int i = 1; i + 1 < n; ++i)
    if (s[i - 1] == s[i])
      for (char c = 'a'; c <= 'z'; ++c)
        if (s[i - 1] != c && c != s[i + 1]) {
          s[i] = c;
          break;
        }
  if (s[n - 2] == s[n - 1])
    s[n - 2] = (s[n - 1] == 'a' ? 'z' : char(s[n - 1] - 1));
  cout << s;
  return 0;
}
