#include <bits/stdc++.h>
using namespace std;
const int mod = 1000000007;
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  cout.tie(NULL);
  string s;
  cin >> s;
  int n = s.length();
  if (n == 1) {
    cout << s << endl;
  } else {
    for (int i = 0; i < n;) {
      int j = i;
      while (j < n and s[j] == s[i]) {
        j++;
      }
      char ch = 'a';
      while (ch == s[i] or (j < n and ch == s[j])) {
        ch++;
      }
      for (int k = i + 1; k < j; k += 2) {
        s[k] = ch;
      }
      i = j;
    }
    cout << s << endl;
  }
  return 0;
}
