#include <bits/stdc++.h>
using namespace std;
char s[200007];
int main() {
  cin >> s;
  for (int i = 2; s[i - 1]; i++) {
    if (s[i - 2] == s[i - 1]) {
      for (char j = 'a'; j <= 'z'; j++)
        if (j != s[i - 2] && j != s[i]) {
          s[i - 1] = j;
          break;
        }
    }
  }
  cout << s << endl;
  return 0;
}
