#include <bits/stdc++.h>
using namespace std;
string s;
int main() {
  cin >> s;
  for (int i = 0; i < s.size();) {
    int j = i + 1;
    for (; j < s.size(); j++) {
      if (s[i] != s[j]) break;
    }
    if ((j - i) % 2) {
      for (int k = i + 1; k < j; k += 2) {
        s[k] = s[i] == 'a' ? 'b' : 'a';
      }
    } else {
      char c = 'a';
      char l = i ? s[i - 1] : 0;
      char r = i + 1 == s.size() ? 0 : s[i + 1];
      while (c == l || c == r) {
        c++;
        if (c > 'z') c -= 26;
      }
      for (int k = i; k < j; k += 2) {
        s[k] = c;
      }
    }
    i = j;
  }
  cout << s << endl;
}
