#include <bits/stdc++.h>
using namespace std;
char getdiff(char a) {
  char c = 'a';
  while (c == a) c++;
  return c;
}
char getdiff(char a, char b) {
  char c = 'a';
  while (c == a || c == b) c++;
  return c;
}
void solve() {
  string s;
  cin >> s;
  int n = s.size();
  for (int i = 1; i < n; ++i) {
    if (s[i] == s[i - 1]) {
      if (i == n - 1)
        s[i] = getdiff(s[i - 1]);
      else
        s[i] = getdiff(s[i - 1], s[i + 1]);
    }
  }
  cout << s << '\n';
}
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  int t = 1;
  while (t--) solve();
}
