#include <bits/stdc++.h>
using namespace std;
string a;
int main() {
  cin >> a;
  for (int i = 0; i < a.size() - 1; i++) {
    if (a[i] == a[i + 1]) {
      for (int j = 0; j < 26; j++) {
        if (a[i] != 'a' + j && a[i + 2] != 'a' + j) {
          a[i + 1] = 'a' + j;
          break;
        }
      }
    }
  }
  cout << a << endl;
  return 0;
}
