#include <bits/stdc++.h>
using namespace std;
string s;
void F(int q) {
  for (int i = 97; i < 123; i++)
    if (i != s[q - 1] and i != s[q + 1]) {
      s[q] = i;
      break;
    }
}
int main() {
  cin >> s;
  int k = s.size();
  for (int i = 0; i < k; i++)
    if (s[i] == s[i - 1] and s[i] == s[i + 1]) F(i);
  for (int i = 1; i < k; i++)
    if (s[i] == s[i - 1]) F(i);
  cout << s;
  return 0;
}
